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cobalt, chemical element
(Encyclopedia)cobalt, metallic chemical element; symbol Co; at. no. 27; at. wt. 58.9332; m.p. 1,495℃; b.p. about 2,870℃; sp. gr. 8.9 at 20℃; valence +2 or +3. Cobalt is a silver-white, lustrous, hard, brittle...Am, chemical symbol
(Encyclopedia)Am, symbol for the element americium. ...Eu, chemical symbol
(Encyclopedia)Eu, symbol for the element europium. ...Si, chemical symbol
(Encyclopedia)Si, symbol for the element silicon. ...Po, chemical symbol
(Encyclopedia)Po, symbol for the element polonium. ...Ra, chemical symbol
(Encyclopedia)Ra, symbol for the element radium. ...Re, chemical symbol
(Encyclopedia)Re, symbol for the element rhenium. ...palladium, chemical element
(Encyclopedia)palladium [Gr. Pallas, goddess of wisdom], metallic chemical element; symbol Pd; at. no. 46; at. wt. 106.42; m.p. 1,554℃; b.p. 2,970℃; sp. gr. 12.02 at 20℃; valence +2, +3, or +4. Palladium is a...No, chemical symbol
(Encyclopedia)No, symbol for the element nobelium. ...Og, chemical symbol
(Encyclopedia)Og, symbol for the element oganesson. ...Browse by Subject
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