Question

4. The combining capacity of an element is known as its
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Answer 1

Explanation:

The combining capacity, 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

Answer:

The combining capacity of an element is known as its valency. Valency is the number of valence electrons in outer shell that take part in the chemical reaction.

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