Which of the following electronic configuration is associated with the highest stable…

CHEMISTRY · Single correct · A Level · Chemistry · Transition metals and their chemistry · Transition metals and their chemistry

Problem

Which of the following electronic configuration is associated with the highest stable oxidation state? (1)

[\text{Ar}]3d^1 4s^2

(2)

[\text{Ar}]3d^5 4s^1

(3)

[\text{Ar}]3d^5 4s^2

(4)

[\text{Ar}]3d^6 4s^2