LANTHANUM Atomic symbol: La Atomic weight: 138.9047 Electron configuration: 2-8-18-32-9-2 Atomic number: 57 Oxidation states: +3 State of matter: solid Heavy metal, brittle Discovered in 1839 by Carl Gustaf Mosander Boils at 3454°C, melts at 920°C Notes: Lanthanum is a ductile, malleable, silvery white rare earth metal. It forms alloys with several other metals, and […]
GADOLINIUM Atomic symbol: Gd Atomic weight: 157.25 Atomic number: 64 Electron configuration: 2-8-18-25-9-2 Oxidation states: +3, +4 State of matter: solid Heavy metal, brittle Discovered in 1880 by J.C.G de Marignac and P.É Lecoq de Boisbaudran Boils at 3223°C, melts at 1311°C Notes: Gadolinium has a silvery-white color and is moderately ductile. It becomes ferromagnetic […]
DYSPROSIUM Atomic symbol: Dy Atomic weight: 162.500 Atomic number: 66 Electron configuration: 2-8-18-28-8-2 Oxidation states: +3 State of matter: solid Heavy metal, brittle Discovered in 1886 by P.É. Lecoq de Boisbaudran Boils at 2335°C, melts at 1409°C Notes: A hard and reactive metal, dysprosium has few uses. Its compounds can be used as catalysts in […]
ALUMINUM Atomic symbol: Al Atomic weight: 26.981539 Atomic number: 13 Electron configuration: 2-8-3 Oxidation states: +3 State of matter: solid Heavy metal: low melting Discovered in 1827 by Friedrich Wöhler Boils at 2467°C, melts at 660°C Notes: Aluminum is a white, malleable, ductile metal, with a somewhat bluish tint. It occurs in a variety of […]