Question

An element has its electron configuration as $2,8,2$. Now answer the following questions: With which of the following elements would this element resemble? Atomic numbers are given in the brackets below: $N\left(7\right)$, $Be\left(4\right)$, $Ar\left(18\right)$, $Cl\left(17\right)$

Answer 1

An element has its electron configuration as $2,8,2$

This element resembles with $Be\left(4\right)$