Question

Ab element has 7 electrons in m shell find out its atomic no

Answer 1

Heya !! Here Is Ans :=>
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Ans : Chlorine
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The atom has 2 electrons in k, 8 electrons in L and 7 electrons in M = 2 + 8 + 7 = 17

And given that its nucleus has 18 neutrons

=> its mass number = number of (electrons + neutrons ) = 17 + 18 = 35
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I Hope This Helps U (^ ·_·^)
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