Lawrencium Facts

Chemical and Physical Properties

Lawrencium
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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

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Helmenstine, Anne Marie, Ph.D. "Lawrencium Facts." ThoughtCo, Aug. 27, 2020, thoughtco.com/lawrencium-facts-606551. Helmenstine, Anne Marie, Ph.D. (2020, August 27). Lawrencium Facts. Retrieved from https://www.thoughtco.com/lawrencium-facts-606551 Helmenstine, Anne Marie, Ph.D. "Lawrencium Facts." ThoughtCo. https://www.thoughtco.com/lawrencium-facts-606551 (accessed March 28, 2024).