Hund Rule Example. In the configuration p2 we expect the order 3p < (1d,1s). Hund's rule states that each orbital in a subshell is only obtained before any orbital is double involved.
A set of guidelines, known as hund's rules, help us determine the quantum numbers for the ground states of atoms. Aufbau itself is an abstract word when compared to normal. The last of the three rules for constructing electron arrangements requires electrons to be placed one at a time in a set of orbitals within the same sublevel. This rule states that, if more than one orbital is available for.
This minimizes the natural repulsive.
The pauli exclusion principle, states that electrons cannot occupy the same quantum state. Try reading hunds rule of maximum multiplicity. A couple of other simple examples of hund's rules: Short form electron configuration — finding violations of pauli exclusion principle, hund's rule, and aufbau principle in diagrams.