Electron Configurations through Neon (8.1.3)

Question 1

• By the Pauli exclusion principle, each orbital can only hold two electrons.

Answer 1

• By the Pauli exclusion principle, each orbital can only hold two electrons.

Question 2

• For a given energy level in an element other than hydrogen, the s orbital is lower in energy than the p orbitals.

Answer 2

• For a given energy level in an element other than hydrogen, the s orbital is lower in energy than the p orbitals.

Question 3

• By Hund’s rule, one electron enters each degenerate orbital before any pairing occurs.

Answer 3

• By Hund’s rule, one electron enters each degenerate orbital before any pairing occurs.