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I dont know retard find out yourself.

He may be a retard, but this is called "Answers.com", so we should try to provide an ANSWER.

Nitrogen may have different valencies, for instance it forms several types of oxide: NO, N2O, NO2!

but in tri-chloride, as its name says, there are three atoms of chloride for each nitrogen, so the valence of N is in this case 3 ...

Hope this helps,

cr.

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14y ago

What else can I help you with?