Consider the following electron configurations for three atoms: 
(a) 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶
(b) 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²
(c) 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p³
Identify the atom that will have the largest 2nd ionization energy and the atom that will have the smallest 7th ionization energy.

(a) will have the largest 2nd ionization energy and (b) will have the smallest 7th ionization energy.

(b) will have the largest 2nd ionization energy and (a) will have the smallest 7th ionization energy.

(c) will have the largest 2nd ionization energy and (a) will have the smallest 7th ionization energy.

(b) will have the largest 2nd ionization energy and the smallest 7th ionization energy.

(a) will have the largest 2nd ionization energy and the smallest 7th ionization energy.