1. Why does Sc have only +3 Oxidation State?

Asked by Navya Benny | 16th Dec, 2015, 02:50: PM

Expert Answer:

The electronic configuration of Scandium is [Ar]3d14s2.
By the loss of one 3d electron and two 4s electrons, Sc can achieve stable inert gas electronic configuration.
Hence, Sc show only +3 oxidation state.

Answered by Prachi Sawant | 17th Dec, 2015, 09:22: AM