Which of the following is isoelectronic with carbon?

Options

A. `N^(+)`
B. `O^(-2)`
C. `Na^(+)`
D. `Al^(3+)`

Answer

A

Explanation

N contains `7e^(-)` which on removal of `1e^(-)` converts into `N^(+),SO , N^(+)` contains `6e^(-)` which is equal to number of e`e^(-)s` in carbon atom.