electron configurations and orbital notation

Front

What is the electron configuration for neon?

Back

1s² 2s² 2p⁶

Front

What is the orbital notation for sodium?

Back

1s² 2s² 2p⁶ 3s¹

Front

What is the electron configuration for hydrogen?

Back

1s¹

Front

What is Hund's rule?

Back

Hund's rule states that electrons will occupy degenerate orbitals singly before pairing up.

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 the orbital notation for oxygen?

Back

1s² 2s² 2p⁴

Front

How many electrons can the s orbital hold?

Back

The s orbital can hold a maximum of 2 electrons.

Front

How many electrons can the p orbital hold?

Back

The p orbital can hold a maximum of 6 electrons.

Front

What is the maximum number of electrons in the third energy level?

Back

The maximum number of electrons in the third energy level is 18.

Front

What is the significance of the principal quantum number?

Back

The principal quantum number indicates the main energy level of an electron in an atom.