Question

When P reacts with Q, it loses the two
valence electrons (valency 2). These two
valence electrons are accepted by two Q
atoms (valency 1).
Hence, the formula of the compound
formed between P and Q is PQ2.

please elaborate how it is PQ2.​

Answer 1

Answer:

by Criss cross method

Explanation:

valency of p is 2 and q is 1 interchange the valencies ....so it becomes pq2

Answer 2

Answer:

answer is 2

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