Mass Number |
Atomic Mass |
% Abundance |
Nuclear Spin |
---|---|---|---|
3 |
3.0160 |
0.000138 |
1/2 |
4 |
4.0026 |
99.999862 |
3/2- |
Electron Configuration: |
1s2 |
Relative Atomic Mass: |
4.0026 |
State (25°C, 1 atm): |
gas, non-metal |
Density: |
0.1785 kg/m3 |
Melting Temperature: |
? |
Boiling Temperature: |
4.216 K |
© W. Bauer, 1999