I
Iodine
Z = 53 · Halogen · 126.9 u
Basic properties
- Atomic number (Z)
- 53
- Standard atomic mass
- 126.9 u
- Category
- Halogen
Isotopes & cross-section data
| Isotope | Mass (A) | Half-life | ZAID | Libraries |
|---|---|---|---|---|
| I-127 | 127 | Stable | 53127 | .80c.71c.70c |
| I-129 | 129 | 1.57e7 y | 53129 | .80c.71c |
| I-131 | 131 | 8.0207 d | 53131 | .80c.71c |