| Samsæta | Helmingunartími 1 | Tegund geislunar 2 | Samsæta | Helmingunartími 3 | Tegund geislunar 4 |
|---|
| 6 14 C 6 14 C | 5730 y | ( β − ) ( β − ) | 83 210 Bi 83 210 Bi | 5.01 d | ( β − ) ( β − ) |
| 7 13 N 7 13 N | 9.97 m | ( β + ) ( β + ) | 83 212 Bi 83 212 Bi | 60.55 m | ( α eða β − ) ( α eða β − ) |
| 9 15 F 9 15 F | 4.1 × × 10 −22 s | ( p ) ( p ) | 84 210 Po 84 210 Po | 138.4 d | ( α ) ( α ) |
| 11 24 Na 11 24 Na | 15.00 h | ( β − ) ( β − ) | 84 212 Po 84 212 Po | 3 × × 10 −7 s | ( α ) ( α ) |
| 15 32 P 15 32 P | 14.29 d | ( β − ) ( β − ) | 84 216 Po 84 216 Po | 0.15 s | ( α ) ( α ) |
| 19 40 K 19 40 K | 1.27 × × 10 9 y | ( β eða E . C . ) ( β eða E . C . ) | 84 218 Po 84 218 Po | 3.05 m | ( α ) ( α ) |
| 26 49 Fe 26 49 Fe | 0.08 s | ( β + ) ( β + ) | 85 215 At 85 215 At | 1.0 × × 10 −4 s | ( α ) ( α ) |
| 26 60 Fe 26 60 Fe | 2.6 × × 10 6 y | ( β − ) ( β − ) | 85 218 At 85 218 At | 1.6 s | ( α ) ( α ) |
| 27 60 Co 27 60 Co | 5.27 y | ( β − ) ( β − ) | 86 220 Rn 86 220 Rn | 55.6 s | ( α ) ( α ) |
| 37 87 Rb 37 87 Rb | 4.7 × × 10 10 y | ( β − ) ( β − ) | 86 222 Rn 86 222 Rn | 3.82 d | ( α ) ( α ) |
| 38 90 Sr 38 90 Sr | 29 y | ( β − ) ( β − ) | 88 224 Ra 88 224 Ra | 3.66 d | ( α ) ( α ) |
| 49 115 In 49 115 In | 5.1 × × 10 15 y | ( β − ) ( β − ) | 88 226 Ra 88 226 Ra | 1600 y | ( α ) ( α ) |
| 53 131 I 53 131 I | 8.040 d | ( β − ) ( β − ) | 88 228 Ra 88 228 Ra | 5.75 y | ( β − ) ( β − ) |
| 58 142 Ce 58 142 Ce | 5 × × 10 15 y | ( α ) ( α ) | 89 228 Ac 89 228 Ac | 6.13 h | ( β − ) ( β − ) |
| 81 208 Tl 81 208 Tl | 3.07 m | ( β − ) ( β − ) | 90 228 Th 90 228 Th | 1.913 y | ( α ) ( α ) |
| 82 210 Pb 82 210 Pb | 22.3 y | ( β − ) ( β − ) | 90 232 Th 90 232 Th | 1.4 × × 10 10 y | ( α ) ( α ) |
| 82 212 Pb 82 212 Pb | 10.6 h | ( β − ) ( β − ) | 90 233 Th 90 233 Th | 22 m | ( β − ) ( β − ) |
| 82 214 Pb 82 214 Pb | 26.8 m | ( β − ) ( β − ) | 90 234 Th 90 234 Th | 24.10 d 24.10 d | ( β − ) ( β − ) |
| 83 206 Bi 83 206 Bi | 6.243 d | ( E . C . ) ( E . C . ) | 91 233 Pa 91 233 Pa | 27 d | ( β − ) ( β − ) |
| 92 233 U 92 233 U | 1.59 × × 10 5 y | ( α ) ( α ) | 96 242 Cm 96 242 Cm | 162.8 d | ( α ) ( α ) |
| 92 234 U 92 234 U | 2.45 × × 10 5 y | ( α ) ( α ) | 97 243 Bk 97 243 Bk | 4.5 h | ( α eða E . C . ) ( α eða E . C . ) |
| 92 235 U 92 235 U | 7.03 × × 10 8 y | ( α ) ( α ) | 99 253 Es 99 253 Es | 20.47 d | ( α ) ( α ) |
| 92 238 U 92 238 U | 4.47 × × 10 9 y | ( α ) ( α ) | 100 254 Fm 100 254 Fm | 3.24 h | ( α eða S . F . ) ( α eða S . F . ) |
| 92 239 U 92 239 U | 23.54 m | ( β − ) ( β − ) | 100 255 Fm 100 255 Fm | 20.1 h | ( α ) ( α ) |
| 93 239 Np 93 239 Np | 2.3 d | ( β − ) ( β − ) | 101 256 Md 101 256 Md | 76 m | ( α eða E . C . ) ( α eða E . C . ) |
| 94 239 Pu 94 239 Pu | 2.407 × × 10 4 y | ( α ) ( α ) | 102 254 No 102 254 No | 55 s | ( α ) ( α ) |
| 94 239 Pu 94 239 Pu | 6.54 × × 10 3 y | ( α ) ( α ) | 103 257 Lr 103 257 Lr | 0.65 s | ( α ) ( α ) |
| 94 241 Pu 94 241 Pu | 14.4 y | ( α eða β − ) ( α eða β − ) | 105 260 Ha 105 260 Ha | 1.5 s | ( α eða S . F . ) ( α eða S . F . ) |
| 95 241 Am 95 241 Am | 432.2 y | ( α ) ( α ) | 106 263 Sg 106 263 Sg | 0.8 s | ( α eða S . F . ) ( α eða S . F . ) |