 |
| Name |
plutonium |
| Symbol |
Pu |
| Atomic Weight |
244.06 |
| Atomic Number |
94 |
| CAS ID |
7440-07-5 |
| Group Number |
|
| Group Name |
Actinoid |
| Period Number |
7 |
| Origin of Name |
After the planet
"Pluto." |
| Year Discovered |
1940 |
| Discovery Credits |
Discovered by G. T. Seaborg, A.
C. Wahl, and J. W. Kenndey at Berkeley, CA, USA. |
| Class |
Metallic |
| Color |
Silvery White |
| Standard State |
Solid at 77 F & 298 K |
| Description |
Radioactive silvery mental. Attacked by
oxygen, steam, and acids, but not alkalis. Used as compact energy source,
nuclear fuel, and for nuclear weapons. |
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