Francium
Content created by REAL intelligence since 2016
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| Isotope | Abundance | T½ (s) | Decay |
| 197Fr | | | |
| 198Fr | | | |
| 199Fr | | | |
| 200Fr | | | |
| 201Fr | | | |
| 202Fr | | | |
| 203Fr | | | |
| 204Fr | | | |
| 205Fr | | | |
| 206Fr | | | |
| 207Fr | | | |
| 208Fr | | | |
| 209Fr | | | |
| 210Fr | | | |
| 211Fr | | | |
| 212Fr | | | |
| 213Fr | | | |
| 214Fr | | | |
| 215Fr | | | |
| 216Fr | | | |
| 217Fr | | | |
| 218Fr | | | |
| 219Fr | | | |
| 220Fr | | | |
| 221Fr | | | |
| 222Fr | | | |
| 223Fr | | | |
| 224Fr | | | |
| 225Fr | | | |
| 226Fr | | | |
| 227Fr | | | |
| 228Fr | | | |
| 229Fr | | | |
| 230Fr | | | |
| 231Fr | | | |
| 232Fr | | | |
| 233Fr | | | |
All data from [5].
| α: | alpha particle emission (4He nucleus) |
| β+: | emission of an anti-electron and a neutrino. A proton inside the nucleus is transformed into a neutron |
| β-: | emission of an electron and an anti-neutrino. A neutron inside the nucleus is transformed into a proton |
| ec: | electron capture: capture of one orbital electron by the the nucleus. A proton inside the nucleus is transformed into a neutron plus a neutrino |
| SF: | Spontaneous Fission: a nucleus spontaneously splits into fragment nuclides |
| IT: | Isomeric Transition: a level above the ground state decays via electromagnetic process |
| n: | neutron emission |
| p: | proton emission |
| β- n (and similar): | beta- decay followed by delayed neutron emission |
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