Electron Configurations

Electron Configurations

100

What is the electron configuration for Li?

1s² 2s¹

200

What is the electron configuration of F?

1s² 2s² 2p⁵

300

What is the electron configuration of Al?

1s² 2s² 2p⁶ 3s² 3p¹

400

What is the electron configuration of Ti?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d²

500

What is the electron configuration of Cu?

1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d¹⁰

Orbitals

100

What four letters represent the orbitals?

s, p, d, and f.

200

How many electrons can a s sublevel have?

2

300

How many electrons can a p sublevel have?

6

400

How many electrons can a d sublevel have?

10

500

How many electrons can a f sublevel have?

14

Shorthand Notations

100

What is the electron configuration of Cl?

[Ne] 3s² 3p⁵

200

What is the electron configuration of Ca?

[Ar] 4s²

300

What is the electron configuration of Zn?

[Ar] 4s² 3d¹⁰

400

What is the electron configuration of Ag?

[Kr] 5s¹ 4d¹⁰

500

What is the electron configuration of Mo?

[Kr] 5s¹4d⁵

Working Backwards

100

What is the element that has this configuration: 1s² 2s² 2p⁶ 3s²?

Mg

200

What is the element with the following configuration: 1s² 2s² 2p⁶ 3s² 3p³?

P

300

What is the element with the following configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁶?

Fe

400

What is the element that has this configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d²?

Zr

500

What is the element that has this configuration: [Xe] 6s² 4f¹⁴ 5d⁹?

Au

Definitions

100

The number of electrons that can be contained in the 1st energy level.

2 electrons

200

The number of electrons that can be contained in the 2nd energy level.

8 electrons

300

The number of electrons that can be contained in the 4th energy level.

32 electrons

400

The number of electrons that can be contained in the 5th energy level.

50 electrons

500

The number of electrons that can be contained in the 7th energy level.

98 electrons