Electron Configurations

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 can the first energy level hold?

Back

2

Front

How many valence electrons does Silicon (Si) contain?

Back

4

Front

What is the electron configuration for a Sulfur atom?

Back

1s² 2s² 2p⁶ 3s² 3p⁴

Front

How many orbitals are in the 4f sublevel?

Back

7

Front

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

Back

8

Front

What is the general rule for determining the number of valence electrons in an element?

Back

The number of valence electrons is equal to the group number for main group elements.

Front

What is the electron configuration for an atom with 12 electrons?

Back

1s² 2s² 2p⁶ 3s² 3p⁴ (Magnesium)

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.

Front

What is the shape of the p orbital?

Back

Dumbbell-shaped.