Atomic number 94 · actinide · Atomic mass 244 u
| Atomic Number | 94 |
| Atomic Mass | 244.0000 u |
| Category | actinide / 锕系元素 |
| Group | — |
| Period | 7 |
| Block | F |
| Electron Configuration | [Rn] 5f⁶ 7s² |
| Electronegativity (Pauling) | 1.28 |
| Phase at STP | Solid |
| Density | 19.816 g/cm³ |
| Year Discovered | 1940 |
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