5.4 Energy Level Diagrams & Electron Configurations

Front

What is the first energy level that electrons fill in an energy level diagram?

Back

1s

Front

Which element is represented by the energy level diagram that has 8 electrons in its outer shell?

Back

O (Oxygen)

Front

How many electrons can a single orbital hold?

Back

2 electrons

Front

What is the electron configuration for Argon?

Back

1s² 2s² 2p⁶ 3s² 3p⁶

Front

How many electrons can the first energy level (1s) hold?

Back

2

Front

What is the maximum number of electrons that can occupy the second energy level (2s and 2p)?

Back

8 electrons

Front

What is the shape of an s orbital?

Back

Spherical

Front

What is the shape of a p orbital?

Back

Dumbbell-shaped

Front

What is the Pauli Exclusion Principle?

Back

No two electrons in an atom can have the same set of four quantum numbers.

Front

What is Hund's Rule?

Back

Electrons will fill degenerate orbitals singly before pairing up.