an element has electronic configuration 2 8 18 1
An element has electronic configuration 2, 8, 18, 1. If its atomic weight is 63, then how many neutrons will be present in its nucleus:
(1) 30
(2) 32
(3) 34
(4)33
ans: 34
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an element has electronic configuration 2 8 18 1 if its atomic weight is 63 then how many neutrons will be present in its nucleus1
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