Question

Determine the valancies of sulphur and nitrogen from the molecular formulae:
H2S, NH3​

Answer 1

Answer:

S= 2

N= 3

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Answer 2

Answer:

Valency of nitrogen is three as nitrogen has 5 electrons in its valence shell. It can therefore, accept three electrons to complete its octet. Hence, the valency of nitogen in NH

3

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