|
Relative atomic mass |
39.948 |
|
Atomic mass (kg) |
66.8x10-27 |
|
Density (g/cm3) |
1.40 |
|
Physical State at STP |
Monatomic
gas (Ar) |
|
Melting point (°C) |
- 189 |
|
Boiling point (°C) |
- 186 |
|
Crystal
Structure of solid element |
Face
centred cubic |
|
Stable isotopes |
36Ar,
38Ar, 40Ar |
|
STP =
standard temperature and pressure. Usually
considered as room temperature and
pressure. |
The Open Door Web Site 