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)
