Exceptions

Question 1

Tim and vanadium

Answer 1

Take the s and p orbitals before taking the d

Question 2

Chromium

Answer 2

Easier to space all of them out rather than have an almost

Question 3

Cu

Answer 3

Give electron to d orbital from s orbital in order to preserve the equal thingy

Question 4

Difference between AlCl3 and Al2O3?

Answer 4

AlCl3 is non conductive anyhow, because of the dimer.

Al2O3 is non conductive as solid, but is conductive as liquid because of its ionic properties.