Atomic number 34 · nonmetal · Atomic mass 78.971 u
| Atomic Number | 34 |
| Atomic Mass | 78.9710 u |
| Category | nonmetal / 非金属 |
| Group | 16 |
| Period | 4 |
| Block | P |
| Electron Configuration | [Ar] 3d¹⁰ 4s² 4p⁴ |
| Electronegativity (Pauling) | 2.55 |
| Phase at STP | Solid |
| Density | 4.81 g/cm³ |
| Year Discovered | 1817 |
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