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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. ...Ga, chemical symbol
(Encyclopedia)Ga, symbol for the element gallium. ...Fm, chemical symbol
(Encyclopedia)Fm, symbol for the element fermium. ...Ar, chemical symbol
(Encyclopedia)Ar, symbol for the element argon.multiple chemical sensitivity
(Encyclopedia)multiple chemical sensitivity (MCS), adverse physical reaction to certain chemicals in susceptible persons. When exposed to the chemicals, people with MCS react with symptoms such as nausea, headache,...No, chemical symbol
(Encyclopedia)No, symbol for the element nobelium. ...Og, chemical symbol
(Encyclopedia)Og, symbol for the element oganesson. ...Ac, chemical symbol
(Encyclopedia)Ac, symbol for the element actinium. ...Browse by Subject
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