Question

what is the example of valency​

Answer 1

Answer:

valency is no. of electrons gained or lost per atom of element..

valency of ammonium NH4 is +1

and of oxide is -2

Explanation:

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Answer 2

For example, oxygen has six valence electrons, but its valency is 2. Some elements may have more than one combining power (or valency), while others have just one. For example, H →1; Mg→2; Al→3; C→4; N→3, and 5; P→3 and 5; O→2; S→ 2, 4 and 6; Cl→ 1; and Ne→0.

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