Electron Configurations

Front

What is the electron configuration for Zinc?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰

Front

What is the electron configuration for Magnesium?

Back

1s² 2s² 2p⁶ 3s²

Front

What is the electron configuration for Gold?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d⁹

Front

How many electrons are in the atom with the configuration 1s² 2s² 2p⁶?

Back

10

Front

How many valence electrons does an atom with the configuration 1s² 2s² 2p⁶ 3s² 3p⁶ have?

Back

8

Front

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

Back

18

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 before filling higher energy levels.

Front

What is the Pauli Exclusion Principle?

Back

The Pauli Exclusion Principle states that no two electrons in an atom can have the same set of four quantum numbers.

Front

What is Hund's Rule?

Back

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

Front

What is the electron configuration for an atom with 15 electrons?

Back

1s² 2s² 2p⁶ 3s² 3p³