The electronic configurations of elements A and B are 2,8,18,8,1 and 2,8,18,6 respectively. What will be the formula of the compound between A and B?
1)AB
2)AB2
3)A2B
4)AB3
Answers
Answered by
2
Answer:
Answered
Explanation:
Valency is calculated by the valence shell electrons.
A has 1 valence electron. So it has valency 1 .
B has 6 valence electrons hence it has valency 2.
Formula b/w A and B is A2B
Hence option (3) is correct.
PLS MARK AS BRAINLIEST
Answered by
0
Answer:
answer will be A2B
bcozz valency of B would be 2 and it will cross multiply
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