 |
| Name |
polonium |
| Symbol |
Po |
| Atomic Weight |
208.98 |
| Atomic Number |
84 |
| CAS ID |
7440-08-6 |
| Group Number |
16 |
| Group Name |
Chalcogen |
| Period Number |
6 |
| Origin of Name |
After the country "Poland." |
| Year Discovered |
1898 |
| Discovery Credits |
Marie Curie at Paris, France. |
| Class |
Metallic |
| Color |
Silvery |
| Standard State |
Solid at 77 F & 298 K |
| Description |
Radioactive silvery-gray metal. Soluble in dilute acids. Used as heat
source in space equipment and as source of alpha radiation for research.
Occurs in trace amounts in uranium ores. |
Back to Elements Table Page
| |
