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QUESTION
What is the ionic compound for Ca3(PO4)2?
The compound ##Ca_3(PO_4)_2## is the molecule Calcium Phosphate.
Calcium is a +2 cation ##Ca^(+2)##
Phosphate is a -3 polyatomic anion ##PO_4^(-3)##
It takes three +2 calcium ions to balance with two -3 phosphate ions in order for the ionic charges to be equal an opposite.
I hope this was helpful. SMARTERTEACHER
