| Symbol |
Kr |
|
| Atomic Number |
36 |
Relative Atomic Mass
12C = 12.0000 |
83.80 |
Atomic Radius
pm |
n/a |
First Ionisation Energy
kJ mol-1 |
1350.7 |
| Electronegativity |
n/a |
Density
kg m-3 |
2823 [s., m.p.]
2413 [l., b.p.]
3.7493 [g., 273 K] |
Molar Volume
cm3 |
29.68 [116 K] |
Thermal Conductivity
W m-1 K-1 |
0.00949 [300 K] |
Melting Point
K |
116.6 |
Boiling Point
K |
120.85 |
| Number of Isotopes |
27 |
Ground State Electron
Configuration |
[Ar]3d104s24p6 = [Kr] |
| Term Symbol |
1S0 |
| Discovery |
Discovered by Sir W. Ramsay and M.W. Travers (London, England) in 1898 |
| Name Derived From |
Greek kryptos meaning 'hidden' |
Name in Other
Languages |
 Croatian | Kripton |
 Danish | krypton |
 Dutch | krypton |
 Finnish | krypton |
 French | krypton |
 German | Krypton |
 Italian | cripto |
 Norwegian | krypton |
 Portuguese | krípton |
 Spanish | kriptón |
 Swedish | krypton |
| Peter van der Krogt's Element Multidict - element name translations in over 48 langauges |
