{"id":4582,"date":"2025-03-24T09:56:57","date_gmt":"2025-03-24T00:56:57","guid":{"rendered":"https:\/\/agus.co.jp\/en\/?p=4582"},"modified":"2026-01-08T08:35:56","modified_gmt":"2026-01-07T23:35:56","slug":"elements-a-list-of-elements-from-the-basic-to-the-most-recent-explained-in-a-simple-way-with-familiar-examples","status":"publish","type":"post","link":"https:\/\/agus.co.jp\/en\/?p=4582","title":{"rendered":"Elements: a list of elements, from the basic to the most recent, explained in a simple way with familiar examples!"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/0-1-1024x683.jpeg\" alt=\"\" class=\"wp-image-4583\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/0-1-1024x683.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/0-1-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/0-1-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/0-1-1536x1024.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/0-1.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>How did you remember order of periodic table at high school?<\/p>\n\n\n\n<p>If you weren&#8217;t good at chemistry, you probably had a hard time remembering it, but today we will explain the elements in an easy-to-understand way.<\/p>\n\n\n\n<p>Oxygen, which is invisible to the eye but the most essential to living organisms. Hydrogen, which has recently been attracting attention in automobiles. There are many things around us that use the element.<\/p>\n\n\n\n<p>The 20 elements introduced in this article range from H~Ca, which are commonly studied in science classes, to more recently discovered elements, and we will discuss where exactly they are used, as well as their history, so please read on to the end of this article.<\/p>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Hydrogen(AN: 1 \/ H)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/1-1024x768.jpg\" alt=\"\" class=\"wp-image-4584\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/1-1024x768.jpg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/1-300x225.jpg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/1-768x576.jpg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/1-1536x1152.jpg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/1.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Hydrogen was created in 1766 by &#8216;Henry Cavendish&#8217; of England.<br>It was called &#8216;burning gas&#8217; at the time because it burns intensely.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>As mentioned, hydrogen burns violently when ignited. There is even a phenomenon known as a &#8216;hydrogen explosion&#8217;.<\/p>\n\n\n\n<p>Hydrogen is also the lightest of the elements and, moreover, the most abundant element in the universe.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;Fuel cells&#8217;.<\/p>\n\n\n\n<p>A device that generates electricity through a chemical reaction between hydrogen and oxygen. Recently used in &#8216;fuel cell vehicles&#8217; (FCVs).<\/p>\n\n\n\n<p>You can read more about hydrogen in the following article, if you like.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4312\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2024\/10\/1-1.jpeg\"><\/span><span class=\"post_title\">Elements [Hydrogen] Let&#8217;s learn more about number 1 and symbol H! Basic knowledge of chemistry useful in society<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Helium. (AN: 2 \/ He)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/2-1024x683.jpg\" alt=\"\" class=\"wp-image-4586\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/2-1024x683.jpg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/2-300x200.jpg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/2-768x512.jpg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/2-1536x1024.jpg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/2.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Helium was discovered in 1868 by the British &#8216;Lockyer&#8217; and French &#8216;Jansen&#8217; while observing the sun.<\/p>\n\n\n\n<p>At that time it had not yet been discovered on Earth, and the name &#8216;helium&#8217; was taken from the Greek god Helios, the sun god.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Prosperities and characteristics&nbsp;<\/h3>\n\n\n\n<p>It is a non-flammable element and the second most abundant element in the universe.<\/p>\n\n\n\n<p>However, it is an extremely rare element, as only about 0.0005% is present in the Earth&#8217;s atmosphere.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>Helium gas.<\/p>\n\n\n\n<p>The name may ring a bell with many of you.<br>Whether used for balloons or as a voice-altering joke toy, helium is more accessible than you might think.<\/p>\n\n\n\n<p>Helium is explained in more detail in the following article, if you wish to read it.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4329\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2024\/11\/1.jpg\"><\/span><span class=\"post_title\">Elements [Helium] Let&#8217;s learn more about atomic number 2, He! Basic knowledge of chemistry useful in society<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Lithium (AN: 3 \/ Li)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"748\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/3-1-1024x748.jpeg\" alt=\"\" class=\"wp-image-4587\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/3-1-1024x748.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/3-1-300x219.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/3-1-768x561.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/3-1-1536x1122.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/3-1.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Lithium was discovered by the Swedish &#8216;Alfedsson&#8217; in 1817.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is the lightest element of the metals.<br>It is one of the most important rare metals and can be a highly competitive element to acquire.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;Lithium-ion batteries&#8217;.<\/p>\n\n\n\n<p>These batteries are used as batteries for smartphones and laptops, and are in fact an element that is ingrained in your life.<\/p>\n\n\n\n<p>They are also used in &#8216;electric vehicles&#8217;, which are being developed more recently.<\/p>\n\n\n\n<p>Lithium is explained in more detail in the following article, if you wish to read it.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4496\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2024\/12\/2.jpeg\"><\/span><span class=\"post_title\">Elements [lithium] Let&#8217;s learn more about Lithium\/Li, atomic number 3! Basic knowledge of chemistry useful in society<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Beryllium (AN: 4 \/ Be)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/4-1024x683.jpeg\" alt=\"\" class=\"wp-image-4588\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/4-1024x683.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/4-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/4-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/4-1536x1024.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/4.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Beryllium was discovered by the French &#8216;Beauclain&#8217; in 1798.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is the main element that makes up the ore known as beryl (berylite).<\/p>\n\n\n\n<p>Natural beryllium is considered a highly toxic element, said to cause cancer and interfere with lung function.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;Jewels&#8217;.<\/p>\n\n\n\n<p>Light blue beryl is called &#8216;aquamarine&#8217; and green beryl is called &#8216;emerald&#8217;.<\/p>\n\n\n\n<p>Beryllium is explained in more detail in the following article if you wish to read it.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4517\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2024\/12\/0.jpeg\"><\/span><span class=\"post_title\">Elements [Beryllium] Let&#8217;s learn more about Beryllium\/Be, atomic number 4! Basic knowledge of chemistry useful in society<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Boron (AN: 5 \/ B)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/5-1024x683.jpeg\" alt=\"\" class=\"wp-image-4589\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/5-1024x683.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/5-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/5-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/5-1536x1024.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/5.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Boron was discovered in 1808 by the French &#8216;Gay-Lussac&#8217; and &#8216;Louis Jacques Tenard&#8217;.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is an element that makes up boric acid, a semi-metal that is light and difficult to dissolve.<br>Therefore, when mixed with glass, it can be made into fire-resistant glass.<\/p>\n\n\n\n<p>The boron is the reason why the &#8216;flask&#8217; can be set on fire in a chemistry experiment.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>Sterilising effect.<\/p>\n\n\n\n<p>When dissolved in water, it has bactericidal properties and is therefore used for eye drops, compresses, soaps and other items where a bactericidal effect is desired.<\/p>\n\n\n\n<p>Boron is explained in more detail in the following article, if you wish to read it.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4527\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/01\/0.jpeg\"><\/span><span class=\"post_title\">Elements [Boron] Let&#8217;s learn more about Boron\/B, atomic number 5! Basic knowledge of chemistry useful in society<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Carbon (AN: 6 \/ C)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"678\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/6-1024x678.jpeg\" alt=\"\" class=\"wp-image-4590\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/6-1024x678.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/6-300x199.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/6-768x508.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/6-1536x1017.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/6.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Unknown<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>Carbon is famous for its properties that depend on its crystal structure.<br>There is also carbon without a crystalline structure.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>Diamonds and pencils.<\/p>\n\n\n\n<p>These two poles in terms of accessibility are actually both &#8216;carbon&#8217;.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4535\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/01\/2-1-1.jpeg\"><\/span><span class=\"post_title\">Elements [Carbon] Let&#8217;s learn more about Carbon\/C, atomic number 6! Basic knowledge of chemistry useful in society<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Nitrogen (AN: 7 \/ N)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/7-1024x576.jpg\" alt=\"\" class=\"wp-image-4591\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/7-1024x576.jpg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/7-300x169.jpg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/7-768x432.jpg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/7-1536x864.jpg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/7.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Nitrogen was discovered by &#8216;Rutherford&#8217; in Scotland in 1772.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is the most abundant element in the Earth&#8217;s air.<br>The number is four times greater than that of oxygen!<br>In fact, the air we breathe is mostly nitrogen.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>liquid nitrogen<\/p>\n\n\n\n<p>Liquid nitrogen, known as a cooling agent, is created by bringing tyrosine to -196\u00b0C.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4559\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/02\/0.jpeg\"><\/span><span class=\"post_title\">Elements [Nitrogen] Let&#8217;s learn more about Nitrogen\/N, atomic number 7! Basic knowledge of chemistry useful in society<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Oxygen (AN: 8 \/ O)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/8-1024x684.jpeg\" alt=\"\" class=\"wp-image-4592\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/8-1024x684.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/8-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/8-768x513.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/8-1536x1025.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/8.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Oxygen was discovered by the Swedish &#8216;Scheele&#8217; in 1771 and by &#8216;Priestley&#8217; in 1774 respectively.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>This element is necessary for all living organisms, including humans, to breathe.<\/p>\n\n\n\n<p>As discussed in the section on nitrogen, the content of oxgen in the air is actually not that much, about 20%.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;Oxygen cylinders&#8217;.<\/p>\n\n\n\n<p>For example, it&#8217;s used by marathon runners who have finished a run to inhale or others for scuba diving.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4637\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/04\/unnamed.jpg\"><\/span><span class=\"post_title\">Elements [Oxgen] Let&#8217;s learn more about Oxygen\/O, atomic number 8! Basic knowledge of chemistry useful in society<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Fluorine (AN: 9 \/ F)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/9-1024x683.jpeg\" alt=\"\" class=\"wp-image-4594\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/9-1024x683.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/9-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/9-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/9-1536x1024.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/9.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Fluorine was discovered by the French &#8216;Moissan&#8217; in 1886.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is a highly reactive element that reacts with &#8216;all elements&#8217; except neon and helium, whereas fluorine on its own is a highly toxic and dangerous element.<\/p>\n\n\n\n<p>However, it does not exist on its own in nature, and when it is in a form known as &#8216;fluoride&#8217;, it is safe to consume on a daily basis (unless consumed in very large amount).<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>Toothpaste.<\/p>\n\n\n\n<p>Have you seen many toothpastes recently that say &#8216;contains fluoride&#8217;?<br>Dentists sometimes apply it directly to the teeth.<br>That&#8217;s because fluoride repairs the surface of the teeth.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4649\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/04\/unnamed-6.jpg\"><\/span><span class=\"post_title\">Elements [Fluorine] Let&#8217;s learn more about Fluorine\/F. atomic number 9! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Neon (AN: 10 \/ Ne)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/10-1024x683.jpeg\" alt=\"\" class=\"wp-image-4595\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/10-1024x683.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/10-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/10-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/10-1536x1024.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/10.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Neon was discovered by &#8216;Ramsey&#8217; and &#8216;Travers&#8217; in 1898.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is a stable element with no chemical reactivity.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;Neon tubes&#8217;.<\/p>\n\n\n\n<p>Neon tubes that look like colored fluorescent lamps often seen in Western movies.<br>In fact, when voltage is applied to low-voltage neon, they glow red-orange.<\/p>\n\n\n\n<p>In Japan, the Glico sign in Dotonbori, Osaka, used to be a neon sign. (It has now been replaced by LED.)<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4658\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/04\/unnamed-7.jpg\"><\/span><span class=\"post_title\">Elements [Neon] Let&#8217;s learn more about Neon\/N, atomic number 10! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Natrium (AN: 11 \/ Na)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/11-1024x683.jpeg\" alt=\"\" class=\"wp-image-4597\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/11-1024x683.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/11-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/11-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/11-1536x1024.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/11.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Natrium was discovered by &#8216;Davy&#8217; in England in 1807.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>Element so soft that, despite being a metal, it can be cut with a knife.<br>Incidentally, when placed in water it reacts violently, catching fire and exploding.<br>Natrium is therefore stored in &#8216;petroleum&#8217; to prevent the reaction.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;Salt&#8217;.<\/p>\n\n\n\n<p>Salt, an essential part of the diet, contains Natrium.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4684\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/06\/unnamed.jpg\"><\/span><span class=\"post_title\">Elements [Sodium] Let&#8217;s learn more about Sodium\/Na, atomic number 10! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Magnesium (AN: 12 \/ Mg)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"692\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/12-1024x692.jpeg\" alt=\"\" class=\"wp-image-4602\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/12-1024x692.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/12-300x203.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/12-768x519.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/12-1536x1038.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/12.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Magnesium was discovered by &#8216;Davy&#8217; in England in 1808.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is the eighth most abundant element on earth and can be obtained from seawater as well as ores.<\/p>\n\n\n\n<p>For the record, it is well known that magnesium emits a strong light when burnt, and in the past it was used for photography.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;Magnesium alloy&#8217;.<\/p>\n\n\n\n<p>It is the lightest metal used in industrial products and has recently been used in SLR camera frames.<\/p>\n\n\n\n<p>It weighs two-thirds as much as aluminum and one-quarter as much as steel.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4710\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/06\/unnamed-6.jpg\"><\/span><span class=\"post_title\">Elements [Magnesium] Let&#8217;s learn more about Magnesium\/Mg, atomic number 12! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Aluminium (AN: 13 \/ Al)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/13-1024x682.jpeg\" alt=\"\" class=\"wp-image-4603\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/13-1024x682.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/13-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/13-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/13-1536x1023.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/13.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Aluminum was discovered by the Danish &#8216;Ersted&#8217; in 1825.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is a metal that conducts heat well and is very light and easy to machine.<\/p>\n\n\n\n<p>Today, this metal is easy to isolate, but in the past it was said to be valuable because the method of isolation was unknown.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;Aluminum foil, aluminum cans, Japanese penny coins.&#8217;<\/p>\n\n\n\n<p>It may be one of the most familiar elements in the artificial material.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4725\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/07\/unnamed.jpg\"><\/span><span class=\"post_title\">Elements [Aluminium] Let&#8217;s learn more about Aluminium\/Al, atomic number 13! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Silicon (AN: 14 \/ Si)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/14-1024x576.jpg\" alt=\"\" class=\"wp-image-4604\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/14-1024x576.jpg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/14-300x169.jpg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/14-768x432.jpg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/14-1536x864.jpg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/14.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Silicon was discovered by &#8216;Berselius&#8217; in Sweden.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is known to be very abundant in the earth&#8217;s crust and is the second most abundant element after oxygen.<\/p>\n\n\n\n<p>It is a hard, brittle nonmetal.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;Circuit board&#8217;.<\/p>\n\n\n\n<p>Silicon is a &#8216;semi-conductor&#8217; and is used in the base (green plate) needed to run computers and games.<\/p>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Phosphorus (AN: 15 \/ P)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"684\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/15-1024x684.jpeg\" alt=\"\" class=\"wp-image-4605\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/15-1024x684.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/15-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/15-768x513.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/15-1536x1025.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/15.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Phosphorus was discovered by the German alchemist &#8216;Brandt&#8217; in 1669.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is highly flammable and can start spontaneously combusting in air.<br>(This can be mistaken for a ghost.)<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;The friction surfaces of a matchbox.&#8217;<\/p>\n\n\n\n<p>Phosphorus is used on the box side, not the stick.<\/p>\n\n\n\n<p>Long ago, there were yellow phosphorus matches, which were more flammable than today&#8217;s ones.<\/p>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Sulfur (AN: 16 \/ S)&nbsp;<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/16-1024x683.jpeg\" alt=\"\" class=\"wp-image-4606\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/16-1024x683.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/16-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/16-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/16-1536x1024.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/16.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>There are two theories on the origin of the word sulfur: one is the Latin word \u2018sulpur\u2019 meaning sulfur and the other is the Sanskrit word \u2018sulvere\u2019 meaning \u2018source of fire\u2019.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>This is found in volcanic gases and hot spring waters.<br>In fact, Sulphur by itself has no odor, but when dissolved in water it becomes &#8216;hydrogen sulfide&#8217; and becomes odorous.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;Matchsticks&#8217;.<\/p>\n\n\n\n<p>Phosphorus is a box of matches, whereas Sulphur is a matchstick. The part of the tip that catches fire contains a sulfur component.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4759\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/07\/unnamed-7.jpg\"><\/span><span class=\"post_title\">Elements [Sulfur] Let&#8217;s learn more about Sulfur\/S, atomic number 16! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Chlorine (AN: 17 \/ Cl)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/unnamed-1024x683.jpg\" alt=\"\" class=\"wp-image-4607\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/unnamed-1024x683.jpg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/unnamed-300x200.jpg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/unnamed-768x512.jpg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/unnamed-1536x1024.jpg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/unnamed.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Chlorine was discovered by the Swedish &#8216;Scheele&#8217; in 1774.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is a bactericidal element.<br>It is also used in salt, together with sodium, &#8216;NaCl&#8217;, which you may have heard of.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>Disinfectant.&#8221;<\/p>\n\n\n\n<p>The easiest way to imagine this is in the disinfection area before entering the swimming pool.<br>Water with a medicinal odor is actually dissolved sodium hypochlorite.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4776\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/08\/0-2.jpeg\"><\/span><span class=\"post_title\">Elements [Chlorine] Let&#8217;s learn more about Chlorine]\/Cl, atomic number 17! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Argon (AN: 18 \/ Ar)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/18-1024x682.jpeg\" alt=\"\" class=\"wp-image-4608\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/18-1024x682.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/18-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/18-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/18-1536x1023.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/18.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Argon was discovered in 1892 by the British &#8216;Rayleigh&#8217; and &#8216;Ramsay&#8217;.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>Stable elements that do not undergo chemical reactions.<br>For this reason, argon is sometimes sprayed on to the material when &#8216;reactions with other elements are to be avoided&#8217; in experiments.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;Fluorescent lamps&#8217;.<\/p>\n\n\n\n<p>Fluorescent tubes are actually filled with argon and mercury vapor.<br>Living necessities.<\/p>\n\n\n\n<p>Argon is explained in more detail in the following article, if you wish to read it.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4800\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/08\/unnamed.jpg\"><\/span><span class=\"post_title\">Elements [Argon] Let&#8217;s learn more about Argon\/Ar, atomic number 18! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Kalium (AN: 19 \/ K)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"681\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/19-1024x681.jpeg\" alt=\"\" class=\"wp-image-4609\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/19-1024x681.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/19-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/19-768x511.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/19-1536x1021.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/19.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Kalium was discovered by &#8216;Davy&#8217; in England in 1807.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>The element is abundant in the cells of the body.<br>Incidentally, sodium is abundant outside the cells.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>Fertilizer.<\/p>\n\n\n\n<p>It is a necessary element for plants and potassium-containing fertilizers are very common.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4812\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/09\/unnamed-1.jpg\"><\/span><span class=\"post_title\">Elements [Potassium] Let&#8217;s learn more about Potassium\/K, atomic number 19! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Calcium (AN: 20 \/ Ca)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/20-1024x683.jpeg\" alt=\"\" class=\"wp-image-4610\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/20-1024x683.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/20-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/20-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/20-1536x1024.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/20.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Calcium was discovered by &#8216;Davy&#8217; in England in 1808.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>Element with a high ionization tendency, like Kalium.<br>It is also an important element that makes up our bones and is essential for our bodies.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>Cement.<\/p>\n\n\n\n<p>One of the materials used to make concrete, this cement contains calcium.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4853\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/10\/unnamed-10.jpg\"><\/span><span class=\"post_title\">Elements [Calcium] Let&#8217;s learn more about number Calcium\/Ca, atomic number 20! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Titanium (AN: 22 \/ Ti)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/22-1024x682.jpeg\" alt=\"\" class=\"wp-image-4612\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/22-1024x682.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/22-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/22-768x511.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/22-1536x1022.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/22.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Titanium was discovered by &#8216;Gregor&#8217; in the UK in 1970.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is a light but hard element, strong enough to withstand high temperatures.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>Rocket engines.<\/p>\n\n\n\n<p>This element&#8217;s ability to withstand high temperatures and its high strength make it suitable for use in aircraft, rocket engines and other parts with high loads.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4876\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/11\/unnamed-16.jpg\"><\/span><span class=\"post_title\">Elements [Titanium] Let&#8217;s learn more about Titanium\/Ti, atomic number 22! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Iron (\u2018Ferum\u2019 in Latin \/ AN: 26 \/ Fe)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"678\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/26-1024x678.jpeg\" alt=\"\" class=\"wp-image-4613\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/26-1024x678.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/26-300x199.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/26-768x509.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/26-1536x1018.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/26.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Unknown<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is the most commonly used element as a metal.<br>Although iron has an image of being hard, it is actually a soft metal on its own.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>[Buildings, ships].<\/p>\n\n\n\n<p>It is used in many buildings.<br>Recently, there has been an increase in the number of flats and other buildings made of reinforced steel.<\/p>\n\n\n\n<p>Iron is also used for boat bodies.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Read in conjunction with<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4902\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/11\/unnamed-22.jpg\"><\/span><span class=\"post_title\">Elements [Iron] Let&#8217;s learn more about Iron\/Fe, atomic number 26! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Nickel (AN: 28 \/ Ni)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/100yen-1024x682.jpeg\" alt=\"\" class=\"wp-image-4611\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/100yen-1024x682.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/100yen-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/100yen-768x511.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/100yen-1536x1022.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/100yen.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Nickel was discovered by the Swedish &#8216;Kronstedt&#8217; in 1751.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>An element with properties intermediate between iron and copper, it is a stable metal.<\/p>\n\n\n\n<p>Alloys mixed with chromium are called &#8216;stainless steel&#8217; and are used for a variety of objects.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>[Japanese 50-yen coins, 100-yen].<\/p>\n\n\n\n<p>Nickel is mixed with copper and used in the 50 and 100 yen coins.<br>So it is one of the most familiar elements used in everyday life.<\/p>\n\n\n\n<p>These are the elements learned in a typical Japanese school.<br>The latest elements are introduced here.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Read in conjunction with<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4922\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/12\/unnamed.jpg\"><\/span><span class=\"post_title\">Elements [Nickel] Let&#8217;s learn more about Nickel\/N, atomic number! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Gold (Au in Latin \/ AN: 79 \/ Au)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/00-1024x683.jpeg\" alt=\"\" class=\"wp-image-4614\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/00-1024x683.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/00-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/00-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/00-1536x1024.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/00.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Gold has a long history but the discoverer is unknown.<br>The word gold (Au) derives from Latin meaning &#8216;shining&#8217;.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>As an element, gold is stable and resistant to oxidation.<br>Gold as a substance has soft and stretchable characteristics.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>Accessories.<\/p>\n\n\n\n<p>Gold has long been a popular choice for jewelry and other decorative items.<br>Its history is over 5,000 years old.<\/p>\n\n\n\n<p>You can read more about gold in the following article, if you like.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Read in conjunction with<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4953\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/12\/Gold.jpg\"><\/span><span class=\"post_title\">Elements [Gold] Let&#8217;s learn more about Gold\/Au, atomic number 79! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Mercury (Hydradyrum in Latin \/ AN: 80 \/ Hg)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/000-1024x682.jpeg\" alt=\"\" class=\"wp-image-4615\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/000-1024x682.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/000-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/000-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/000-1536x1023.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/000.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Mercury has a long history, with records of its use in China dating back to 2000 BC.<\/p>\n\n\n\n<p>The word is believed to be derived from the Latin &#8216;hydrardyrum&#8217;, which is a combination of the words &#8216;hydro&#8217; (water) and &#8216;argyrum&#8217; (silver).<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is the only metal that is liquid at room temperature, but it is also one of the most dangerous elements, with its vapors being highly toxic.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>The number of mercury-based products has now been reduced.<\/p>\n\n\n\n<p>However, there are still products that use mercury today, such as &#8216;fluorescent lamps&#8217;.<\/p>\n\n\n\n<p>You can read more about mercury in the following article, if you like.<\/p>\n\n\n<div class=\"related_link\"><span class=\"title\"><i class=\"fa-solid fa-bookmark\"><\/i>Related articles.<\/span><ul><li><a href=\"https:\/\/agus.co.jp\/en\/?p=4973\"><span class=\"thumbnail\"><img decoding=\"async\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2026\/01\/pic1.jpg\"><\/span><span class=\"post_title\">Elements [Mercury] Let&#8217;s learn more about Mercury\/Hg, atomic number 80! Basic knowledge of chemistry useful in society.<\/span><\/a><\/li><\/ul><\/div>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Nihonium (AN: 113 \/ Nh)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"678\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/nihonium-1024x678.jpeg\" alt=\"\" class=\"wp-image-4616\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/nihonium-1024x678.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/nihonium-300x199.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/nihonium-768x508.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/nihonium-1536x1017.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/nihonium.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Nihonium was discovered by Japanese professor &#8216;Kosuke Morita&#8217; in 2016.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>It is one of the man-made elements and is formed by fusing &#8216;zinc&#8217; and &#8216;bismuth&#8217;.<\/p>\n\n\n\n<p>Incidentally, it is said that 400000000000000 (400 trillion times) attempts are made to create Nihonium and only three succeed.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;To be determined&#8217;.<\/p>\n\n\n\n<p>The lifetime of Nihonium is a whopping &#8216;about two thousandths of a second&#8217;.<br>As I mentioned earlier, it is difficult to produce and has an extremely short lifespan, so we have not yet found a way to utilize it.<\/p>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Moscobium (AN: 115 Mc)<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/mosuconium-1024x682.jpeg\" alt=\"\" class=\"wp-image-4617\" srcset=\"https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/mosuconium-1024x682.jpeg 1024w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/mosuconium-300x200.jpeg 300w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/mosuconium-768x512.jpeg 768w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/mosuconium-1536x1023.jpeg 1536w, https:\/\/agus.co.jp\/en\/wp-content\/uploads\/2025\/03\/mosuconium.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">History<\/h3>\n\n\n\n<p>Moscobium was synthesized in 2003 by a team of Russian and American researchers.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Properties and characteristics<\/h3>\n\n\n\n<p>Like Nihonium, it is one of the man-made elements.<\/p>\n\n\n\n<p>An element created by the nuclear fusion of &#8216;americium&#8217; and &#8216;calcium&#8217;, it was known as &#8216;unumpentium&#8217; until it was given an official name.<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Applications<\/h3>\n\n\n\n<p>&#8216;To be determined&#8217;.<\/p>\n\n\n\n<p>It is used for research purposes and does not yet appear to be in common use.<\/p>\n\n\n\n<div style=\"height:24px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Summary<\/h2>\n\n\n\n<p>The history and properties of the elements were explained in this article.<br>We hope that this article will make even the most difficult elements more accessible.<\/p>\n\n\n\n<p>We, SUGA manufactures equipment for making depositions.<br>Elements are essential for making depositions.<\/p>\n\n\n\n<p>For example, sputtering equipment offers test deposition services using silicon dioxide (SiO2), titanium (Ti), nickel (Ni), aluminum (AL) and iron (Fe) as the deposition materials.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How did you remember order of periodic table at high school? If you weren&#038;#[\u3082\u3063\u3068\u8aad\u307e\u305b\u3066\u301c]<\/p>\n","protected":false},"author":1,"featured_media":4583,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[44],"tags":[],"class_list":["post-4582","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-topics"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Elements: a list of elements, from the basic to the most recent, explained in a simple way with familiar examples! | SUGA Co., Ltd.<\/title>\n<meta name=\"description\" content=\"How did you remember order of periodic table at high school? 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