Attribute | Value |
---|---|
Symbol | Kr |
Standard state | Gas |
Atomic mass | 83.8 u |
Electron configuration | [Ar]4s²3d¹⁰4p⁶ |
Oxidation states |
|
Electronegativity (pauling scale) | 3 |
Atomic radius (van der waals) | 202 pm |
Ionization energy | 14 eV |
Melting point | 115.79 K |
Boiling point | 119.93 K |
Density | 0.003733 g/cm³ |
Atomic number | 36 |
Group name | Noble gas |
Discovered | 1898 year |
Electron affinity | Add |