Lawrencium [Lr] (CAS-ID: 22537-19-5) locate me
An: 103 N: 157 Am: [ 262 ]
Group No: 3 
Block: d-block  Period: 7
State: presumably a solid at 298 K
Colour: unknown, but probably metallic and silvery white or grey in appearance Classification: Metallic
Boiling Point: unknown (?)
Melting Point: unknown (?)
Density: unknown
Availability: Lawrencium is a synthetic "rare earth metal" which does not occur in the environment.
Shell Structure diagram | Atomic Radius diagram
Isotopes | More Info
Discovery Information
Who: A. Ghiorso, T.Sikkeland, A.E.Larsh, R.M.Latimer
When: 1961
Where: United States
Name Origin
After Ernest O. Lawrence.
Sources
Purely synthetic element. Produced by bombarding californium with boron ions.
Uses
None.
Notes
Very little is known about the chemical properties of this element but some preliminary work on a few atoms has indicated that it behaves similarly to the actinides.