From the following elements : 4Be; 9F; 19K; 20Ca (i) Select the element having one electron in the outermost shell. (ii) two elements of the same group.
Answers
Answered by
5
The valence electron of = 2.
The valence electron of = 7
The valence electron of = 1
The valence electron of =2
The two elements of the same group is Be and Ca.
Please mark it brainiest answer......................................................
The valence electron of = 7
The valence electron of = 1
The valence electron of =2
The two elements of the same group is Be and Ca.
Please mark it brainiest answer......................................................
Similar questions