please help I can not get c show steps for c Elemental oxyge

please

help! I can not get c. show steps for c

Elemental oxygen contains 8 electrons a) What is the electronic configuration of oxygern b) List all possible electron alignments following the Pauli Exclusion Principle. c) Create the term chart and determine the possible term symbols for the alignments in c d) Which one is the preferred configuration according to Hund\'s Rules

Solution

A

1s² 2s² 2p⁴

B