Atomic number 8 · nonmetal · Atomic mass 15.999 u
| Atomic Number | 8 |
| Atomic Mass | 15.9990 u |
| Category | nonmetal / 非金属 |
| Group | 16 |
| Period | 2 |
| Block | P |
| Electron Configuration | [He] 2s² 2p⁴ |
| Electronegativity (Pauling) | 3.44 |
| Phase at STP | Gas |
| Density | 0.001429 g/cm³ |
| Year Discovered | 1774 |
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