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Co
(redirected from atomic number 27)

    Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.01 sec.
Co, symbol for the element cobalt cobalt, metallic chemical element; symbol Co; at. no. 27; at. wt. 58.9332; m.p. 1,495°C;; b.p. about 2,870°C;; sp. gr. 8.9 at 20°C;; valence +2 or +3. Cobalt is a silver-white, lustrous, hard, brittle metal. It is a member of Group 9 of the periodic table .
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CO

See central office and capacity optimization.

Co
(chemistry)
cobalt
(networking)co - The country code for Colombia.


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