Electron Configuration and Orbital Notation

Front

What is electron configuration?

Back

Electron configuration is 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 Beryllium (Be)?

Back

1s² 2s²

Front

What is the electron configuration for Fluorine (F)?

Back

1s² 2s² 2p⁵

Front

How many electrons can the d sublevel hold?

Back

The d sublevel can hold a maximum of 10 electrons.

Front

What is the electron configuration for Chlorine (Cl)?

Back

1s² 2s² 2p⁶ 3s² 3p⁵

Front

How many valence electrons does the configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p² have?

Back

This configuration has 4 valence 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

What is the maximum number of electrons in the s sublevel?

Back

The s sublevel can hold a maximum of 2 electrons.

Front

What is the Aufbau principle?

Back

The Aufbau principle states that electrons occupy the lowest energy orbitals first before filling higher energy levels.

Front

What is Hund's rule?

Back

Hund's rule states that electrons will fill degenerate orbitals singly before pairing up in the same orbital.