Which of the following configuration is characteristic of group 13- elements ?

Options

A. `ns^(2) np^(1)`
B. `(n-1)d ^(10) ns^(2) np^(2)`
C. `(n-1)d^(1)ns^(2)`
D. `ns^(2) n^(3)`.

Answer

A

Explanation

The general electronic configuration of group 13 elements is `ns^(2)` `np^(1)`.