Posts

26Feb 2019

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 […]

26Feb 2019

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 […]