The rule that explain the reason for chromium to have [Ar]3d^(5)4s^(1) configuration instead of [Ar]3d^(4),4s^(2) is

The rule that explain the reason for chromium to have [Ar]3d^(5)4s^(1)

1.	The rule that explain the reason for chromium to have [Ar]3d^(5)4s^(1) configuration instead of [Ar]3d^(4),4s^(2) is
Answer» Pauli's exclusion PRINCIPLE AUFBAU principle more exchange energy Heisenberg's principle Answer :C