Question

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Answer 1

Answer:

Hey there !

Calcium = Ca

Valency = 2

Phosphate = PO₄

Valency = 3

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Write the symbol and valency of calcium and phosphate as shown below :-

Symbol Ca PO₄

Valency 2 3

Now , criss cross the chemical formula of calcium with the valency of phosphate and ,

also the chemical formula of phosphate with calcium,

we get the chemical formula as :-

Ca₃(PO₄)₂

We are putting here brackets , as there are more than 2 ions in the compound.

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Answer 2

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Answer:

Calcium phosphate. Calcium phosphate is achemical compound. Its chemical formula is Ca3(PO4)2, although there are otherformulas, like Ca2HPO4 (dicalciumphosphate) and Ca(H2PO4)2 (monocalciumphosphate). It is made of calcium andphosphate ions.

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