Electron configurations

Front

What is the electron configuration of iron?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶

Front

Energy levels are denoted by:

Back

Numbers

Front

The number of electrons that can occupy a 3d orbital is:

Back

2

Front

Choose the correct shortcut configuration for iodine.

Back

[Kr] 5s² 4d¹⁰ 5p⁵

Front

What is the total number of energy levels used by an atom of aluminum (Al, atomic #13) in the ground state?

Back

3

Front

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

Back

2

Front

What is the shape of the p orbital?

Back

Dumbbell-shaped

Front

What is the Pauli Exclusion Principle?

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 electron configuration for a neutral oxygen atom?

Back

1s² 2s² 2p⁴