| Lawrencium [Lr] (CAS-ID: 22537-19-5) | |
| 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. | |
 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 . |