Electron Configurations, and Orbital Notations

Front

What is the electron configuration of an oxygen atom?

Back

1s² 2s² 2p⁴

Front

How many electrons are in an atom with the electron configuration 1s² 2s² 2p⁶?

Back

10

Front

What does the Aufbau principle state?

Back

Electrons will fill orbitals in order of increasing energy levels - lowest energy first.

Front

What is the significance of the Pauli Exclusion Principle?

Back

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

Front

What does Hund's Rule state?

Back

Electrons will fill degenerate orbitals singly before pairing up.

Front

What is the electron configuration rule that states electrons occupy the lowest energy orbitals first?

Back

Aufbau Principle.

Front

What is the maximum number of electrons that can occupy a single orbital?

Back

2 electrons.

Front

What is the shape of the s orbital?

Back

Spherical.

Front

What is the shape of the p orbital?

Back

Dumbbell-shaped.

Front

Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶?

Back

Argon.