Concept Check: e configs and orbital diagrams

Front

What is the electron configuration for an oxygen atom (8 electrons)?

Back

1s² 2s² 2p⁴

Front

Which element has an electron configuration that ends in 3p²?

Back

Silicon (Si)

Front

What is the next set of orbitals filled after '4d'?

Back

5p

Front

How many electrons are in the configuration: 1s² 2s² 2p⁶ 3s²?

Back

12

Front

Which element has the electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶?

Back

Krypton (Kr)

Front

Define electron configuration.

Back

The distribution of electrons in an atom's orbitals.

Front

What is the Aufbau principle?

Back

Electrons occupy the lowest energy orbitals first.

Front

What does the Pauli Exclusion Principle state?

Back

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

Front

What is Hund's Rule?

Back

Electrons will fill degenerate orbitals singly before pairing up.

Front

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

Back

2