Beryllium vs Nitrogen
| Property | Be Beryllium | N Nitrogen |
|---|---|---|
| Atomic number | 4 | 7 |
| Symbol | Be | N |
| Name | Beryllium | Nitrogen |
| Category | alkaline-earth-metal | nonmetal |
| Standard Atomic Weight | 9.012183 u | 14.006855 u |
| Period | 2 | 2 |
| Group | 2 | 15 |
| Block | s | s |
| Phase at STP | solid | gas |
| Electron configuration | [He]2s2 | 2s2.2p3 |
| Oxidation states | [0, 1, 2] | [-3, -2, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 1.57 | 3.04 |
| Electron affinity | -0.52 eV | -0.07 eV |
| Density | 1850 kg/m³ | 1.2506 kg/m³ |
| Melting point | 1286.85 °C | -210 °C |
| Boiling point | 2470.85 °C | -195.79 °C |
| Discovery year | 1797 | 1772 |