write the electronic configuration of the element whose atomic number or 12 15 17 and also find the valency of the element
Answers
Answered by
34
12-2,8,2
valency-2
17-2,8,7
valency-7
15-2,8,5
valency-5
valency-2
17-2,8,7
valency-7
15-2,8,5
valency-5
Answered by
16
Atomic no. 12 = 2,8,2 valency 2
15=2,8,5 valency 8-5=3
17=2,8,7 valency 8-7=1
15=2,8,5 valency 8-5=3
17=2,8,7 valency 8-7=1
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