Electron Configuration & Groups on the Periodic table

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

What is the electron configuration for silicon?

Back

[Ne] 3s² 3p²

Front

Which sublevel has more energy: 2p, 2s, 3p, or 1s?

Back

3p has more energy than the others.

Front

What is the orbital notation for beryllium?

Back

1s² 2s²

Front

What is the electron configuration for lithium?

Back

1s² 2s¹

Front

What does the notation [Xe] represent in electron configuration?

Back

It indicates that the electron configuration starts from the noble gas xenon.

Front

What is the significance of the principal quantum number?

Back

It indicates the main energy level of an electron in an atom.

Front

How many electrons can the 3rd energy level hold?

Back

The 3rd energy level can hold a maximum of 18 electrons.

Front

What is the electron configuration for gold?

Back

[Xe] 6s² 4f¹⁴ 5d⁹

Front

What element has the electron configuration [Ne] 3s² 3p⁴?

Back

Sulfur.