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Chemistry/Structure of Matter
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Formation Of Electrically Neutral Compounds

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In what ratio do Ca2+ and phosphate ions, (PO4) 3-, combine to form an electrically neutral compound?
A

Three Ca ions combine with two P ions and eight O ions.

B

The total number of electrons is added together and divided by two.

C

Three Ca2+ ions combine with two (PO4)3- ions.

D

Two Ca2+ ions combine with three (PO4)3- ions.

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