Science, asked by b1h5urtiadksaryabest, 1 year ago

Can anyone please tell me the valencies of all the elements..?

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Answered by palak22

it is the number of electrons that are present in the outermost shell ......for eg .. atomic no. of hydrogen is 2 so there will be 1 electron in its outermost shell , therefore its valency will be 1. and they are given the ncert book

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