Hund's rule, one electon must occupy an orbital before any orbital can contain 2 electrons, Pauli exclusion principle, each orbital can hold 2 electrons and each has a different spin, Aufbau Principle, electrons added one at a time to the lowest energy orbital until all electrons are accounted for

Leaderboard

We are currently working on improving the Leaderboard functionality. Please help us by offering your feedback.

Give Feedback

Visual style

Options

We are currently working on improving the Activity Settings. Please help us by offering your feedback.

Give Feedback

Switch template

Continue editing: ?