| Element (Atom) Name | Francium |
| Symbol | Fr |
| Physical state at room temperature | Solid |
| Element Classification | Metal |
| Group Name | Alkali Metal |
| Group number (Periodic table) | 1 |
| Period Number (Periodic table) | 7 |
| Atomic number | 87 |
| Atomic Weight | 223 (Ref: Jlab-ele087, Lanl-87, Nist-87) |
| Atomic Radius | 348 pm (Van der Waals) (Ref: Lanl-87) |
| Density | ? |
| Melting point | 27°C (Ref: Jlab-ele087) 30 °C (Ref: Lanl-87) |
| Boiling point | 680 °C (Ref: Lanl-87) |
| Electron shell configuration | 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p6 7s1 |
| Oxidation States | +1 (Ref: Jlab-ele087) |
| Ionization Energy | 3.9 eV (Ref: Jlab-ele087) 4.0727411 eV (Ref: Nist-87) |
| Number of Stable Isotopes | 0 |
| InChI | 1S/Fr (Ref: Pubchem-87) |
| InChI Key | KLMCZVJOEAUDNE-UHFFFAOYSA-N (Ref: Pubchem-87) |
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