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 does the notation [Ar] represent in electron configuration?

Back

[Ar] represents the electron configuration of Argon, which is used as a shorthand to indicate the filled inner electron shells.

Front

How many electrons can the 3d subshell hold?

Back

The 3d subshell can hold a maximum of 10 electrons.

Front

What is the electron configuration for Zinc (Zn)?

Back

The electron configuration for Zinc is [Ar] 4s² 3d¹⁰.

Front

Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹?

Back

Copper (Cu) has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁹.

Front

What is the electron configuration for Neon (Ne)?

Back

The electron configuration for Neon is 1s² 2s² 2p⁶.

Front

Identify the electron configuration for Aluminum (Al).

Back

The electron configuration for Aluminum is 1s² 2s² 2p⁶ 3s² 3p¹.

Front

Which electron configuration corresponds to Chlorine (Cl)?

Back

The electron configuration for Chlorine is 1s² 2s² 2p⁶ 3s² 3p⁵.

Front

What is the maximum number of electrons in the 2p subshell?

Back

The maximum number of electrons in the 2p subshell is 6.

Front

What is the significance of the Aufbau principle in electron configuration?

Back

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