Hydrogen - Element information, properties and uses | Periodic …
Element Hydrogen (H), Group 1, Atomic Number 1, s-block, Mass 1.008. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Nitrogen - Element information, properties and uses | Periodic Table
Nitrogen in the form of ammonium chloride, NH 4 Cl, was known to the alchemists as sal ammonia. It was manufactured in Egypt by heating a mixture of dung, salt and urine. Nitrogen …
Silicon - Element information, properties and uses | Periodic Table
Silicon makes up 27.7% of the Earth’s crust by mass and is the second most abundant element (oxygen is the first). It does not occur uncombined in nature but occurs chiefly as the oxide …
Periodic Table – Royal Society of Chemistry
Interactive periodic table with information on element scarcity, discovery dates, melting and boiling points, group, block, and period.
Chlorine - Element information, properties and uses | Periodic Table
Hydrochloric acid (HCl) was known to the alchemists. The gaseous element itself was first produced in 1774 by Carl Wilhelm Scheele at Uppsala, Sweden, by heating hydrochloric acid …
Magnesium - Element information, properties and uses | Periodic …
The first person to recognise that magnesium was an element was Joseph Black at Edinburgh in 1755. He distinguished magnesia (magnesium oxide, MgO) from lime (calcium oxide, CaO) …
Phosphorus - Element information, properties and uses | Periodic …
Element Phosphorus (P), Group 15, Atomic Number 15, p-block, Mass 30.974. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Uranium - Element information, properties and uses | Periodic Table
Element Uranium (U), Group 20, Atomic Number 92, f-block, Mass 238.029. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Sulfur - Element information, properties and uses | Periodic Table
Sulfur is mentioned 15 times in the Bible, and was best known for destroying Sodom and Gomorrah.It was also known to the ancient Greeks, and burnt as a fumigant. Sulfur was mined …
Oxygen - Element information, properties and uses | Periodic Table
The credit for discovering oxygen is now shared by three chemists: an Englishman, a Swede, and a Frenchman. Joseph Priestley was the first to publish an account of oxygen, having made it in …