Electron Configuration

Front

What is the Aufbau Principle?

Back

Electrons occupy orbitals of lowest energy first.

Front

Which element has the electron configuration ending in 1s² 2s² 2p⁶?

Back

Neon.

Front

How many valence electrons does Chlorine have?

Back

7.

Front

What is the maximum number of electrons that the first energy level can hold?

Back

2.

Front

What does Hund's Rule state?

Back

When orbitals of equal energy are unoccupied, electrons will occupy them individually 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.

Front

How many orbitals are in the p subshell?

Back

3.

Front

What is the electron configuration for Magnesium?

Back

1s² 2s² 2p⁶ 3s².

Front

What is the significance of valence electrons?

Back

They determine an element's chemical properties and reactivity.

Front

What is the maximum number of electrons that the second energy level can hold?

Back

8.