Notes
| Isotopes of Radium | |
| Notes
|
| Ra-224, Ra-226 and Ra-228 are all generated in the decay of either Uranium or Thorium. |
 Notable Isotopes
|
 224Ra [136 neutrons] |
 Abundance: ?
|
| Half life: 3.6319 days [ Alpha Decay ]
|
| Decay Energy: 5.789MeV |
| Decays to 220Rn.
|
| 226Ra [138 neutrons] |
| Abundance: trace
|
| Half life: 1602 years [ Alpha Decay ]
|
| Decay Energy: 4.871MeV |
| Decays to 222Rn.
|
| 228Ra [140 neutrons] |
| Abundance: Synthetic
|
| Half life: 6.7 years [ beta- ]
|
| Decay Energy: 0.046MeV |
| Decays to 228Ac.
|