Francium (Q2479)
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Francium is the chemical element with the symbol Fr and atomic number 87. The atomic mass is -223 (amu, g/mol).
- Fr
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Francium |
Francium is the chemical element with the symbol Fr and atomic number 87. The atomic mass is -223 (amu, g/mol). |
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