InterviewSolution
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InterviewSolution
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Three elements X, Y and Z belong to 17^(th) group but 2^(nd),3^(rd)and4^(th) period respectively. Number of valence electrons in Y is 7. Find the number ofvalence electrons in X and Z. |
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Answer» Solution :It will be 7 in X as well as in Z. The REASON being that NUMBER of electrons in the OUTERMOST shell in the elements in same group is same. |
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