Electron Configuration Review

Front

What is the noble gas configuration of argon?

Back

[Ne] 3s2 3p6

Front

What is an orbital diagram?

Back

An electron arrangement that uses arrows to represent electrons in orbitals.

Front

How many valence electrons does an atom of fluorine have?

Back

7

Front

What is the electron configuration of cobalt (Co)?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁷

Front

How many valence electrons does an atom of nitrogen have?

Back

5

Front

What is the significance of valence electrons?

Back

Valence electrons determine an atom's chemical properties and its ability to bond with other atoms.

Front

Define electron configuration.

Back

The distribution of electrons in an atom's orbitals.

Front

What is the Aufbau principle?

Back

Electrons occupy the lowest energy orbitals first.

Front

What is Hund's rule?

Back

Electrons will fill degenerate orbitals singly before pairing up.

Front

What is the Pauli exclusion principle?

Back

No two electrons in an atom can have the same set of four quantum numbers.