Lawrencium Facts

Chemical and Physical Properties

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Lawrencium Basic Facts


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)

Periodic Table of the Elements