Question

how to number of bond pair &lone pair of an atom
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Answer 1

Answer:

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Answer 2

Answer:

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If the number is 0, there are no lone pairs on the central atom. If the number is 2, there is one lone pair on the central atom. If the number is 4, there are two lone pairs on the central atom. If the number is 6, there are three lone pairs on the central atom.