The Royal Society of Chemistry
11 December 2024 . Strategic approach for the use and management of materials in the UK. We are taking cross-sector action in writing to government ministers, as the UK urgently needs a …
What is alchemy? - The Royal Society of Chemistry
The art of alchemy was handed down through the centuries from Egypt and Arabia to Greece and Rome, and finally to western and central Europe. The word is derived from the Arabian phrase …
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.
Radium - Element information, properties and uses | Periodic Table
Radium was discovered in 1898 by Marie Curie and Pierre Curie. They managed to extract 1 mg of radium from ten tonnes of the uranium ore pitchblende (uranium oxide, U 3 O 8), a …
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 …
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) …
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 …