Unit 4: Electron Configurations

Front

What is the electron configuration of Oxygen (O)?

Back

1s² 2s² 2p⁴

Front

What is the correct dot diagram for Fluorine (F)?

Back

Fluorine has 7 valence electrons represented as: ••F••

Front

What is the maximum number of electrons that can occupy the 3rd energy level?

Back

18 electrons (2 in 3s, 6 in 3p, and 10 in 3d)

Front

What is the electron configuration of Chlorine (Cl)?

Back

1s² 2s² 2p⁶ 3s² 3p⁵

Front

What does the term 'valence electrons' refer to?

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 Nitrogen (N) have?

Back

5 valence electrons.

Front

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

Back

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

Front

What is the shape of the p orbital?

Back

The p orbital has a dumbbell shape.

Front

What is the Pauli Exclusion Principle?

Back

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

Front

What is the electron configuration for Boron (B)?

Back

1s² 2s² 2p¹