| Name | nobelium |
|---|---|
| Symbol | No |
| Atomic Weight | 259.10 |
| Atomic Number | 102 |
| CAS ID | 10028-14-5 |
| Group Number | |
| Group Name | Actinoid |
| Period Number | 7 |
| Origin of Name | After Alfred Nobel (1820 - 1895) |
| Year Discovered | 1940 |
| Discovery Credits | E. M. McMillan and P. Abelson at Berkeley, California, USA. |
| Class | Metallic |
| Color | Unknown, but probably metallic and silvery white or gray in appearance. |
| Standard State | Presumably a solid at 77 F & 298 K |
| Description | Radioactive metal which does not occur naturally |