MCQ
$C{u^{2 + }}$ will have the following electronic configuration
- A$1{s^2},2{s^2}2{p^6},3{s^2}3{p^6}3{d^{10}}$
- B$1{s^2},2{s^2}2{p^6},3{s^2}3{p^6}3{d^9},4{s^1}$
- ✓$1{s^2},2{s^2}2{p^6},3{s^2}3{p^6}3{d^9}$
- D$1{s^2},2{s^2}2{p^6},3{s^2}3{p^6}3{d^{10}},4{s^1}$
