Which one of the elements has the highest ionisation energy?
Options
(a) [Ne] 3s²3p¹
(b) [Ne] 3s²,3p²
(c) [Ne] 3s²,3p³
(d) [Ar] 3d¹°4s²4p²
Correct Answer:
[Ne] 3s²,3p³
Explanation:
Exactly half-filled orbitals have extra stability.
Which one of the elements has the highest ionisation energy?
(a) [Ne] 3s²3p¹
(b) [Ne] 3s²,3p²
(c) [Ne] 3s²,3p³
(d) [Ar] 3d¹°4s²4p²
[Ne] 3s²,3p³
Exactly half-filled orbitals have extra stability.