Cadmium

Symbol: Cd
Atomic number: 48
Atomic weight: 112.411
Density (at room temperature and pressure): 8.65 g/cc
Melting point: 321.07°C
Boiling point: 765°C
Valence: +2
Ground state electron configuration: [Kr]4d¹⁰5s²

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Cad"mi*um (?), n. [NL. See Cadmia.] Chem.

A comparatively rare element related to zinc, and occurring in some zinc ores. It is a white metal, both ductile and malleable. Symbol Cd. Atomic weight 111.8. It was discovered by Stromeyer in 1817, who named it from its association with zinc or zinc ore.

Cadmium yellow, a compound of cadmium and sulphur, of an intense yellow color, used as a pigment.

© Webster 1913.