Krypton
(Redirected from Kr)
| Krypton | |
|---|---|
| Kr | |
| In situ availability: | |
| Necessity: | |
| Atomic number: | 36 |
| Atomic mass: | 83.8 |
| group: | 18 |
| period: | 4 |
| normal phase: | Gas |
| series: | Noble gases |
| density: | 3.749 g/L |
| melting point: | 115.79K, -157.36°C, -251.25°F |
| boiling point: | 119.93K, -153.22°C, -244.12°F |
| Cl ← Ar → N/A | |
| Br ← Kr → Rb | |
| I ← Xe → N/A | |
| Atomic radius (pm): | |
| Bohr radius (pm): | 88 |
| Covalent radius (pm): | 110 |
| Van der Waals radius (pm): | 202 |
| ionic radius (pm): | - |
| 1st ion potential (eV): | 14.00 |
| Electron Configuration | |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 | |
| Electrons Per Shell | |
| 2, 8, 18, 8 | |
| Electronegativity: | |
| Electron Affinity: | Unstable anion |
| Oxidation states: | - |
| Magnetism: | Nonmagnetic |
| Crystal structure: | Orthorhombic |
Krypton is a Noble gas in group 18.
It has a Orthorhombic crystalline structure.
This element has 5 stable isotopes: 78, 80, 82, 84, and 86.
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