14. Symbols of some elements are given below : be ,f ,c, li, o, ne, k, ca a) which of them belong to same period?Name the period. B) which of them belong to same group? Name the group. C) give the no of valence electrons in li and be.
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hlo mate here is ur answer .
a. Be ,C , O,Ne ,F, Li belongs to same period 2 nd period .
b. K , Li belongs to same group that is 1 st group .
valence of Li = 1 .
valence of Be = 2 .
hope this will help u .
a. Be ,C , O,Ne ,F, Li belongs to same period 2 nd period .
b. K , Li belongs to same group that is 1 st group .
valence of Li = 1 .
valence of Be = 2 .
hope this will help u .
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