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Lawrencium Facts

Chemical & Physical Properties

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Lawrencium is named in honor of Ernest Lawrence.

Lawrencium is named in honor of Ernest Lawrence.

Lawrence Berkeley Lab This is the electron configuration of a lawrencium atom.

This is the electron configuration of a lawrencium atom.

This is the location of lawrencium on the periodic table.

This is the location of lawrencium on the periodic table.

Todd Helmenstine
Periodic Table of the Elements

Lawrencium

Atomic Number: 103

Symbol: Lr

Atomic Weight: (262)

Discovery: A. Ghiorso, T. Sikkeland, A.E. Larsh, R.M. Latimer (1961 United States)

Electron Configuration: [Rn] 5f14 6d1 7s2

Atomic Weight: 262.11

Element Classification: Radioactive Rare Earth (Actinide Series)

Name Origin: Named in honor of Ernest O. Lawrence, inventor of the cyclotron.

Appearance: Radioactive, synthetic metal

Atomic Radius (pm): 282

Oxidation States: 3

References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Lange's Handbook of Chemistry (1952)

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