Nitrogen vs Krypton
| Property | N Nitrogen | Kr Krypton |
|---|---|---|
| Atomic number | 7 | 36 |
| Symbol | N | Kr |
| Name | Nitrogen | Krypton |
| Category | nonmetal | noble-gas |
| Standard Atomic Weight | 14.006855 u | 83.798 u |
| Period | 2 | 4 |
| Group | 15 | 18 |
| Block | s | p |
| Phase at STP | gas | gas |
| Electron configuration | 2s2.2p3 | [Ar]4s23d104p6 |
| Oxidation states | [-3, -2, -1, 0, 1, 2, 3, 4, 5] | [0, 1, 2] |
| Electronegativity (Pauling) | 3.04 | 3 |
| Electron affinity | -0.07 eV | -1 eV |
| Density | 1.2506 kg/m³ | 3.733 kg/m³ |
| Melting point | -210 °C | -157.36 °C |
| Boiling point | -195.79 °C | -153.42 °C |
| Discovery year | 1772 | 1898 |