
Calcium

by Science Photo Library
Title
Calcium
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Calcium. Sample of the alkaline earth metal calcium (Ca) on a watch glass. Calcium is the fifth most abundant element in the Earth's crust. It is essential for living organisms where, among other uses, it is used for constructing bones and shells.
Uploaded
May 2nd, 2013
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