A sudden large jump between the values of second and third ionisation energies of an element would be associated with the electronic configuration

Options

A. `1s^(2) 2s^(2) 2p^(6) 3s^(1)`
B. `1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(1)`
C. `1s^(2) 2s^(2) 2p^(6) 3s^(2)`
D. `1s^(2) 2^(s)22p^(6) 3s^(2) 3p^(3)`

Answer

C