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CS, chemical compound

(Encyclopedia)CS, chemical compound (orthochlorobenzalmalonitrile) used in riot control and, by the military, as a harassing agent. The compound is dispersed as an aerosol or as a finely divided powder. Exposure to...

copper, chemical element

(Encyclopedia)copper, metallic chemical element; symbol Cu [Lat. cuprum=copper]; at. no. 29; at. wt. 63.546; m.p. 1,083.4℃; b.p. 2,567℃; sp. gr. 8.96 at 20℃; valence +1 or +2. Copper and some of its alloys ha...

Cn, chemical symbol

(Encyclopedia)Cn, symbol for the element copernicium. ...

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,...