Selenium-75 (Se-75)
Identity
- Protons
- 34
- Neutrons
- 41
- Mass number
- 75
- Mass
- 74.923 ± 0.078 u
- Mass excess
- -72.169 MeV
- Spin
- 5/2+*
Stability
Half-life: 120 days
Natural occurrence
Not found in nature
Decays to
- electron capture As-75
Half-life: 120 days
Not found in nature