Radioactive Half-lifes
Isotope |
Half-life |
Type
of Decay
|
|
Isotope |
Half-life |
Type
of Decay |
oxygen-19
|
29.1 s
|
Beta
|
|
cesium-129
|
32.1 h
|
electron capture
|
fluorine-20
|
11.6 s
|
Beta
|
|
promethium-149 |
53.1 h |
Beta |
silicon-26
|
2.1 s
|
Positron
|
|
gadolinium-145 |
25 m |
Positron |
zinc-71
|
2.4 m
|
Beta
|
|
osmium-183
|
12.0 h |
electron capture |
lead-212 |
10.6 h |
Beta |
|
plutonium-236 |
2.85 y |
Alpha |
selenium-84 |
3.2 m |
Beta |
|
uranium-227 |
1.3 m |
Alpha |
polonium-210 |
138 d |
Alpha |
|
scandium-49 |
57.5 m |
Beta |
chlorine-39
|
55.5 m
|
Beta
|
|
hydrogen-3
|
12.3 y
|
Beta
|
|