Atomic number 58 · lanthanide · Atomic mass 140.12 u
| Atomic Number | 58 |
| Atomic Mass | 140.1200 u |
| Category | lanthanide / 镧系元素 |
| Group | — |
| Period | 6 |
| Block | F |
| Electron Configuration | [Xe] 4f¹ 5d¹ 6s² |
| Electronegativity (Pauling) | 1.12 |
| Phase at STP | Solid |
| Density | 6.77 g/cm³ |
| Year Discovered | 1803 |
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