|
|
VISUAL CHEMISTRY
HYDROGEN
|
| |
|
Navigation
|
|
Tutorials
General
|
|
|
PROPERTIES |
|
Relative atomic mass |
1.008 |
|
Atomic mass (kg) |
1.67
x 10-27 |
|
Density (g/cm3) |
0.07 |
|
Physical State at STP |
Diatomic gas (H2) |
|
Melting point (°C) |
- 259 |
|
Boiling point (°C) |
- 252 |
|
Crystal
Structure of solid element |
Close packed hexagonal |
|
Stable isotopes |
1H, 2H |
|
STP =
standard temperature and pressure. Usually
considered as room temperature and
pressure. |
|
|
|
|
|
The Open Door Web Site