Electron Configuration

Front

What is Electron Configuration?

Back

Electron configuration is the distribution of electrons in an atom's orbitals, indicating how electrons are arranged around the nucleus.

Front

What is the electron configuration for Copper (Cu)?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹

Front

How many electrons can occupy a p orbital?

Back

A p orbital can hold a maximum of 6 electrons.

Front

What is the electron configuration for Chlorine (Cl)?

Back

1s² 2s² 2p⁶ 3s² 3p⁵

Front

What is the electron configuration for Aluminum (Al)?

Back

1s² 2s² 2p⁶ 3s² 3p¹

Front

What is the maximum number of electrons in the 3rd energy level?

Back

The maximum number of electrons in the 3rd energy level is 18.

Front

Define the Aufbau Principle.

Back

The Aufbau Principle states that electrons occupy the lowest energy orbitals first before filling higher energy levels.

Front

What is Hund's Rule?

Back

Hund's Rule states that electrons will fill degenerate orbitals singly before pairing up.

Front

What is the Pauli Exclusion Principle?

Back

The Pauli Exclusion Principle states that no two electrons in an atom can have the same set of four quantum numbers.

Front

What is the electron configuration for Argon (Ar)?

Back

1s² 2s² 2p⁶ 3s² 3p⁶