Atomic number 85 · halogen · Atomic mass 210 u
| Atomic Number | 85 |
| Atomic Mass | 210.0000 u |
| Category | halogen / 卤素 |
| Group | 17 |
| Period | 6 |
| Block | P |
| Electron Configuration | [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵ |
| Electronegativity (Pauling) | 2.2 |
| Phase at STP | Solid |
| Density | 8.91 g/cm³ |
| Year Discovered | 1940 |
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