Question

write the valences of Cooper,nitrogen and sulphur​

Answer 1

Valencia of an element depends upon the presence of electron in the last shell of an atom.

Copper(Cu) has 29 atomic number in periodic table.

Valency=2

Nitrogen(N) has 14 as it atomic number.

Valency=5

Sulphur(S) has atomic number 16

Valency=6

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Answer 2

Answer :

• valency of copper is - 2
• valency of Nitrogen is -3
• valency of sulphur is -2

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