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Calcium 1

Definition: An elementary substance; a metal which combined with oxygen forms lime. It is of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight Symbol Ca.

calcium 2

Definition: a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth''s crust; an important component of most plants and animals

 

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