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14 August, 00:32

What is the rule for finding out how many valence electrons elements in groups 13-18 have

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  1. 14 August, 00:44
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    The group number is the amount of valance electrons in the group

    Ex: H is in group one so it has 1 valance eletron

    Ex: Li is in group 2 so it has 2 valance electrons
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