An element has an electronic configuration of $2, 8, 18, 1$. If its atomic weight is $63$,then how many neutrons will be present in its nucleus?
- A$30$
- B$32$
- C$34$
- D$33$
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$Na^{+}, K^{+}, Mg^{2+}, Ca^{2+}, S^{2-}, Ar$
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