Electron Configuration

Front

What is electron configuration?

Back

The distribution of electrons in an atom's orbitals, indicating how many electrons occupy each energy level and sublevel.

Front

How many electrons can be found in a p orbital?

Back

A p orbital can hold a maximum of 6 electrons.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

How many valence electrons does Aluminum (Al) have?

Back

Aluminum has 3 valence electrons.

Front

What is the electron configuration for Krypton (Kr)?

Back

The electron configuration for Krypton is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶.

Front

What is the total number of electrons in an atom with the configuration 1s² 2s² 2p⁶?

Back

The total number of electrons is 10.

Front

What is the maximum number of electrons that can occupy the s orbital?

Back

An s orbital can hold a maximum of 2 electrons.

Front

What is the significance of the principal quantum number?

Back

The principal quantum number indicates the main energy level of an electron in an atom.

Front

What is the electron configuration for Selenium (Se)?

Back

The electron configuration for Selenium is 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁴.

Front

What is Hund's Rule?

Back

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