Atomic number 84 · metalloid · Atomic mass 209 u
| Atomic Number | 84 |
| Atomic Mass | 209.0000 u |
| Category | metalloid / 准金属 |
| Group | 16 |
| Period | 6 |
| Block | P |
| Electron Configuration | [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴ |
| Electronegativity (Pauling) | 2 |
| Phase at STP | Solid |
| Density | 9.196 g/cm³ |
| Year Discovered | 1898 |
Explore all 118 elements or calculate molar mass of any compound
Periodic Table → Molar Mass Calculator →