Question

What do you mean by valency ? Write down the valency of nitrogen ,neon and chlorine at no . N=7,Ne=10 cl=17

Answer 1

Answer:

the ability of atom to combine with other ....

or

the no.of proton present in an atom ....

Explanation:

valency of following atoms are;

N = -1

Ne = 0

Cl = 1

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Answer 2

Explanation:

The number of electrons the element need to gain or lose in the last shell is called valency.

Nitrogen= 2,5 so the valence electron are 3

Neon =2,8 it is stable no valency

Chlorine =2,8,7 the valence electron are 1