Lawrencium

Actinoid

Last actinoid; possible 7p¹ (relativistic) config.

Electronic Configuration

[Rn] 5f¹⁴ 7s² 7p¹or1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 7s² 7p¹

Electron shells

2e⁻

n=1

8e⁻

n=2

18e⁻

n=3

32e⁻

n=4

32e⁻

n=5

8e⁻

n=6

3e⁻

n=7

Properties

Atomic number

103

Atomic mass

262 u

Lawrencium

Actinoid

Last actinoid; possible 7p¹ (relativistic) config.

Electronic Configuration

[Rn] 5f¹⁴ 7s² 7p¹or1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 5f¹⁴ 7s² 7p¹

Electron shells

2e⁻

n=1

8e⁻

n=2

18e⁻

n=3

32e⁻

n=4

32e⁻

n=5

8e⁻

n=6

3e⁻

n=7

Properties

Atomic number

103

Atomic mass

262 u