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1. The electron shells present in atom of period 4 are - K, L, M, N.
2.valency of A=2
valency of B=1
hence, by the rule of writing equations, the compound formed will be AB2.....
hope it helps.... :D
2.valency of A=2
valency of B=1
hence, by the rule of writing equations, the compound formed will be AB2.....
hope it helps.... :D
angela1001:
??
why?
I just requested you..
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if u don't feel to mark it as brainliest then don't!!
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