Chemistry - Electron Configuration

Front

What is electron configuration?

Back

The distribution of electrons in an atom's orbitals, indicating the energy levels and sublevels occupied by electrons.

Front

How many electrons can the 1st energy level hold?

Back

2

Front

What is the maximum number of electrons that can occupy the 3rd energy level?

Back

18

Front

What is the noble gas configuration for neon?

Back

[He]2s²2p⁶

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 does Hund's Rule state?

Back

Electrons will fill degenerate orbitals singly before pairing up.

Front

What is the electron configuration for oxygen (O)?

Back

1s²2s²2p⁴

Front

What is the significance of the Aufbau Principle?

Back

It states that electrons occupy the lowest energy orbitals first.

Front

What is the electron configuration for sodium (Na)?

Back

1s²2s²2p⁶3s¹

Front

How many total electrons are in the electron configuration 1s²2s²2p⁶3s²3p⁶?

Back

18