Chemistry, asked by javedkhan8479, 1 year ago

Calculate the valency of the element with atomic number 17?

Answers

Answered by TGtirunelvali
3
valency is 1
electronic configuration of atomic number 17 is
K =2,
L=8
M=7
so from the last shell we can get valency i.e= 8_7 =1
Answered by anurag8312
1
Hey, your answer is here...
2K+ 15L
18 - 15 = 3
so the vallency of the element is +3
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