H
Hydrogen
Z = 1 · Nonmetal · 1.008 u
Basic properties
- Atomic number (Z)
- 1
- Standard atomic mass
- 1.008 u
- Category
- Nonmetal
Isotopes & cross-section data
| Isotope | Mass (A) | Half-life | ZAID | Libraries |
|---|---|---|---|---|
| H-1 | 1 | Stable | 1001 | .80c.71c.70c |
| H-2 | 2 | Stable | 1002 | .80c.71c.70c |
| H-3 | 3 | 12.32 y | 1003 | .80c.71c.70c |