Nitrogen vs Nickel
| Property | N Nitrogen | Ni Nickel |
|---|---|---|
| Atomic number | 7 | 28 |
| Symbol | N | Ni |
| Name | Nitrogen | Nickel |
| Category | nonmetal | transition-metal |
| Standard Atomic Weight | 14.006855 u | 58.6934 u |
| Period | 2 | 4 |
| Group | 15 | 10 |
| Block | s | s |
| Phase at STP | gas | solid |
| Electron configuration | 2s2.2p3 | [Ar]4s23d8 |
| Oxidation states | [-3, -2, -1, 0, 1, 2, 3, 4, 5] | [-2, -1, 0, 1, 2, 3, 4] |
| Electronegativity (Pauling) | 3.04 | 1.91 |
| Electron affinity | -0.07 eV | 1.156 eV |
| Density | 1.2506 kg/m³ | 8912 kg/m³ |
| Melting point | -210 °C | 1454.85 °C |
| Boiling point | -195.79 °C | 2912.85 °C |
| Discovery year | 1772 | 1751 |