Isoelectronic e- configurations

Front

What does 'isoelectronic' mean?

Back

Isoelectronic refers to different chemical species that have the same number of electrons and, therefore, the same electron configuration.

Front

Which ion has the same electron configuration as Ne?

Back

Na⁺ and Mg²⁺ are isoelectronic with Ne.

Front

How can you determine if two species are isoelectronic?

Back

Check if they have the same total number of electrons in their electron configurations.

Front

What is the electron configuration of K⁺?

Back

The electron configuration of K⁺ is 1s² 2s² 2p⁶ 3s² 3p⁶.

Front

Which of the following is isoelectronic with Cl^-?

Back

Ar (Argon) is isoelectronic with Cl^-.

Front

What is the electron configuration of S^2-?

Back

The electron configuration of S^2- is 1s² 2s² 2p⁶ 3s² 3p⁶.

Front

Which species has the same electron configuration as Mg²⁺?

Back

Ne (Neon) is isoelectronic with Mg²⁺.

Front

What is the significance of isoelectronic species in chemistry?

Back

Isoelectronic species can exhibit similar chemical properties due to their identical electron configurations.

Front

List two examples of isoelectronic species.

Back

F^- and Ne; Na⁺ and Mg²⁺.

Front

What is the electron configuration of Be²⁺?

Back

The electron configuration of Be²⁺ is 1s².