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Calcium

Calcium is found in bones, teeth and milk.  It is generally found in the form of hydroxyapatite, or Ca5(PO4)3(OH).  Calcium in the form of calcium...

Atomic # = 20 Atomic weight = 40.078

Atomic # = 20
Atomic weight = 40.078

Calcium is found in bones, teeth and milk.  It is generally found in the form of hydroxyapatite, or Ca5(PO4)3(OH).  Calcium in the form of calcium carbonate, or CaCO3, is found in seashells.

 

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