Question

What is valency? Explain the valency of oxygen and nitrogen with respect to hydrogen.

Answer 1

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THIS IS YOUR ANSWER!!

✴Valency is the combining power of an element. Elements in the same group of the periodic table have the same valency. The valency of an element is related to how many electrons are in the outer shell.

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Answer 2

Answer:

electrons in the outermost shell of an element known as valency

valency of:

O2 is 2

N2 is 3