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Energy emissions (MeV) of the radon-222 decay series.
| Isotope | Emission energy (MeV) | Decay type |
|---|---|---|
| Radon-222 | 5.49 | α |
|
| ||
| Polonium-218 | 6.00 | α |
|
| ||
| Lead-214 | 0.67, 0.73 | β |
| 0.35, 0.30, 0.24 | γ | |
|
| ||
| Bismuth-214 | 1.54, 1.51, 3.27 | β |
| 0.61, 1.76, 1.12 | γ | |
|
| ||
| Polonium-214 | 7.69 | α |
|
| ||
| Lead-210 | 0.06, 0.02 | β |
| 0.05 | γ | |
|
| ||
| Bismuth-210 | 1.16 | β |
| 0.27, 0.30 | γ | |
|
| ||
| Polonium-210 | 5.30 | α |
|
| ||
| Lead-206 | Stable | |
