Hydrogen vs Nitrogen
| Property | H Hydrogen | N Nitrogen |
|---|---|---|
| Atomic number | 1 | 7 |
| Symbol | H | N |
| Name | Hydrogen | Nitrogen |
| Category | nonmetal | nonmetal |
| Standard Atomic Weight | 1.007975 u | 14.006855 u |
| Period | 1 | 2 |
| Group | 1 | 15 |
| Block | s | s |
| Phase at STP | gas | gas |
| Electron configuration | 1s1 | 2s2.2p3 |
| Oxidation states | [-1, 1] | [-3, -2, -1, 0, 1, 2, 3, 4, 5] |
| Electronegativity (Pauling) | 2.2 | 3.04 |
| Electron affinity | 0.75419 eV | -0.07 eV |
| Density | 0.08988 kg/m³ | 1.2506 kg/m³ |
| Melting point | -259.34 °C | -210 °C |
| Boiling point | -252.87 °C | -195.79 °C |
| Discovery year | 1766 | 1772 |