Atomic number 5 · metalloid · Atomic mass 10.81 u
| Atomic Number | 5 |
| Atomic Mass | 10.8100 u |
| Category | metalloid / 准金属 |
| Group | 13 |
| Period | 2 |
| Block | P |
| Electron Configuration | [He] 2s² 2p¹ |
| Electronegativity (Pauling) | 2.04 |
| Phase at STP | Solid |
| Density | 2.34 g/cm³ |
| Year Discovered | 1808 |
Explore all 118 elements or calculate molar mass of any compound
Periodic Table → Molar Mass Calculator →