Question

What is valency? What is the valency of Oxygen, Chlorine and Hydrogen?

Answer 1

Answer:

The combining power, or affinity of an atom of a given element is determined by the number of hydrogen atoms that it combines with. In methane, carbon has a valence of 4; in ammonia, nitrogen has a valence of 3; in water, oxygen has a valence of 2; and in hydrogen chloride, chlorine has a valence of 1

Answer 2

valency is charge on an atom which is possessed by gaining or loosing electrons to attain a stable state . so the valency of the given atoms are :

O²-

Cl^1-

H^1+

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