Chemical Element: Hydrogen
Properties:
Periodic Number: 1
Symbol: H
Name: Hydrogen
Average Mass: 1.00794 g/mol
Stable: yes
Density: 0.1
Boiling Point: -252.9°C
Melting Point: -259.3°C
Specific Heat: 14.3 J/(g*K)
Ionisation Potential: 13.6 eV
1
H
1.00794
Isotopes:
Name Neutrons Mass Abundance Spin Stable Half Life
2H (Deuterium) 1 2.014101778 0.000115 +1 yes -
4H 3 4.02783 0 - no -
3H (Tritium) 2 3.0160492675 0 +1/2 no 12.33 y
1H 0 1.0078250321 0.999885 +1/2 yes -
6H 5 6.04494 0 - no -
5H 4 5.03954 0 - no -