Categories > atomic-structure > atomic-number > An element have atomic weight $40$ and it’s electronic configuration is $1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}.$ Then its atomic number and number of neutrons will be

atomic-structure

Question: An element have atomic weight $40$ and it’s electronic configuration is $1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}.$ Then its atomic number and number of neutrons will be


1) $18$ and $22$
2) $22$ and $18$
3) $26$ and $20$
4) $40$ and $18$
Solution: Explanation: No Explanation
atomic-number

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