Francium
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| Francium | |
|---|---|
| Properties | |
| Atomic symbol | Fr |
| Atomic number | 87 |
| Classification | Alkali Metals |
| Atomic mass | 223 amu |
| Other Information | |
| Date of discovery | 1939 |
| Name of discoverer | Marguerite Perey |
| Name origin | Named after France. |
| Uses | None. |
| Obtained from | Not commercially available, it is formed by the decay of actinium. |