Question

1s2 2s2 2p6 3s2 3p5 suppose above the is combing with (X) and element ( Y) which is the valence in 1. write the molecule formal of the compound?​

Answer 1

Answer:

Since there are 2+5=7 electron in the outershell i.e. 3s therefore the valency of the compound is 1.

Now the valency of y is also 1.

So..

The molecular formula = xy

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