Question

what is the valency of phosphorus​

Answer 1

Answer:

To determine the valency of the ionic molecule phosphorus tetraoxide (PO4, four atoms of oxygen and one atom phosphorus) you should multiply the total valency of the four oxygen atoms (valency 2) and subtract that from the valency of the phosphorus atom (valency 5), That reveals the valency of (PO4) is 3.

Explanation:

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Answer 2

Answer:

+3

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