Electron Configuration

Front

How many electrons can the first energy level hold?

Back

2

Front

What is the electron configuration for an oxygen atom?

Back

1s² 2s² 2p⁴

Front

Which element has the electron configuration ending in 1s² 2s² 2p⁶?

Back

Neon

Front

What does the Aufbau Principle state?

Back

Electrons occupy orbitals of lowest energy first.

Front

How many valence electrons does Chlorine have?

Back

7

Front

What is the maximum number of electrons that can occupy the second energy level?

Back

8

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.

Front

What is the electron configuration for a sodium atom?

Back

1s² 2s² 2p⁶ 3s¹

Front

How many total electrons does a neutral atom of carbon have?

Back

6