|
Relative atomic mass |
83.80 |
|
Atomic mass (kg) |
139x10-27 |
|
Density (g/cm3) |
2.16 |
|
Physical State at STP |
Monatomic
gas (Kr) |
|
Melting point (°C) |
- 157 |
|
Boiling point (°C) |
- 152 |
|
Crystal
Structure of solid element |
Face
centred cubic |
|
Stable isotopes |
78Kr,
80Kr,
82Kr,
83Kr,
84Kr,
86Kr, |
|
STP =
standard temperature and pressure. Usually
considered as room temperature and
pressure. |
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