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Name Lawrencium
Symbol Lr
Atomic number 103
Atomic mass 262 amu
Normal state Assumed Solid
Classification Metallic
Crystal structure Unknown
Color unknown, but probably metallic and silvery white or grey in appearance
Date of discovery 1961
Name of discoverer A.Ghiorso, T.Sikkeland, A.E. Larsh, R.M. Latimer
Name origin Named after Named after Ernest O. Lawrence.
Uses None.
Obtained from Produced by bombarding californium-252 with boron nuclei or BK-249 with O-18 nuclei. Few atoms of Lawrencium have ever been produced.