Isotop fransium
Daftar isotop

| Nuklida | Nama historis | Z> Energi eksitasi | N> Energi eksitasi | Massa isotop (Da) > Energi eksitasi | Waktu paruh | Modepeluruhan | Isotopanak | Spin dan paritas | Kelimpahanisotop |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 199Fr |  | 87 | 112 | 199,00726(4) | 16(7) mdtk |  |  | 1/2+# |  |  |  |  |  |  |  |  |  |  |  |
| 200Fr |  | 87 | 113 | 200,00657(8) | 24(10) mdtk | α | 196At | 3+# |  |  |  |  |  |  |  |  |  |  |  |
| 200mFr |  | 60(110) keV | 60(110) keV | 60(110) keV | 650(210) mdtk | α | 196At | 10−# |  |  |  |  |  |  |  |  |  |  |  |
| 200mFr |  | 60(110) keV | 60(110) keV | 60(110) keV | 650(210) mdtk | IT (langka) | 200Fr | 10−# |  |  |  |  |  |  |  |  |  |  |  |
| 201Fr |  | 87 | 114 | 201,00386(8) | 67(3) mdtk | α (99%) | 197At | (9/2−) |  |  |  |  |  |  |  |  |  |  |  |
| 201Fr |  | 87 | 114 | 201,00386(8) | 67(3) mdtk | β+ (1%) | 201Rn | (9/2−) |  |  |  |  |  |  |  |  |  |  |  |
| 202Fr |  | 87 | 115 | 202,00337(5) | 290(30) mdtk | α (97%) | 198At | (3+) |  |  |  |  |  |  |  |  |  |  |  |
| 202Fr |  | 87 | 115 | 202,00337(5) | 290(30) mdtk | β+ (3%) | 202Rn | (3+) |  |  |  |  |  |  |  |  |  |  |  |
| 202mFr |  | 330(90)# keV | 330(90)# keV | 330(90)# keV | 340(40) mdtk | α (97%) | 198At | (10−) |  |  |  |  |  |  |  |  |  |  |  |
| 202mFr |  | 330(90)# keV | 330(90)# keV | 330(90)# keV | 340(40) mdtk | β+ (3%) | 202Rn | (10−) |  |  |  |  |  |  |  |  |  |  |  |
| 203Fr |  | 87 | 116 | 203,000925(17) | 0,55(2) dtk | α (95%) | 199At | (9/2−)# |  |  |  |  |  |  |  |  |  |  |  |
| 203Fr |  | 87 | 116 | 203,000925(17) | 0,55(2) dtk | β+ (5%) | 203Rn | (9/2−)# |  |  |  |  |  |  |  |  |  |  |  |
| 204Fr |  | 87 | 117 | 204,000653(26) | 1,7(3) dtk | α (96%) | 200At | (3+) |  |  |  |  |  |  |  |  |  |  |  |
| 204Fr |  | 87 | 117 | 204,000653(26) | 1,7(3) dtk | β+ (4%) | 204Rn | (3+) |  |  |  |  |  |  |  |  |  |  |  |
| 204m1Fr |  | 50(4) keV | 50(4) keV | 50(4) keV | 2,6(3) dtk | α (90%) | 200At | (7+) |  |  |  |  |  |  |  |  |  |  |  |
| 204m1Fr |  | 50(4) keV | 50(4) keV | 50(4) keV | 2,6(3) dtk | β+ (10%) | 204Rn | (7+) |  |  |  |  |  |  |  |  |  |  |  |
| 204m2Fr |  | 326(4) keV | 326(4) keV | 326(4) keV | 1,7(6) dtk |  |  | (10−) |  |  |  |  |  |  |  |  |  |  |  |
| 205Fr |  | 87 | 118 | 204,998594(8) | 3,80(3) dtk | α (99%) | 201At | (9/2−) |  |  |  |  |  |  |  |  |  |  |  |
| 205Fr |  | 87 | 118 | 204,998594(8) | 3,80(3) dtk | β+ (1%) | 205Rn | (9/2−) |  |  |  |  |  |  |  |  |  |  |  |
| 206Fr |  | 87 | 119 | 205,99867(3) | ~16 dtk | β+ (58%) | 206Rn | (2+, 3+) |  |  |  |  |  |  |  |  |  |  |  |
| 206Fr |  | 87 | 119 | 205,99867(3) | ~16 dtk | α (42%) | 202At | (2+, 3+) |  |  |  |  |  |  |  |  |  |  |  |
| 206m1Fr |  | 190(40) keV | 190(40) keV | 190(40) keV | 15,9(1) dtk |  |  | (7+) |  |  |  |  |  |  |  |  |  |  |  |
| 206m2Fr |  | 730(40) keV | 730(40) keV | 730(40) keV | 700(100) mdtk |  |  | (10−) |  |  |  |  |  |  |  |  |  |  |  |
| 207Fr |  | 87 | 120 | 206,99695(5) | 14,8(1) dtk | α (95%) | 203At | 9/2− |  |  |  |  |  |  |  |  |  |  |  |
| 207Fr |  | 87 | 120 | 206,99695(5) | 14,8(1) dtk | β+ (5%) | 207Rn | 9/2− |  |  |  |  |  |  |  |  |  |  |  |
| 208Fr |  | 87 | 121 | 207,99714(5) | 59,1(3) dtk | α (90%) | 204At | 7+ |  |  |  |  |  |  |  |  |  |  |  |
| 208Fr |  | 87 | 121 | 207,99714(5) | 59,1(3) dtk | β+ (10%) | 208Rn | 7+ |  |  |  |  |  |  |  |  |  |  |  |
| 209Fr |  | 87 | 122 | 208,995954(16) | 50,0(3) dtk | α (89%) | 205At | 9/2− |  |  |  |  |  |  |  |  |  |  |  |
| 209Fr |  | 87 | 122 | 208,995954(16) | 50,0(3) dtk | β+ (11%) | 209Rn | 9/2− |  |  |  |  |  |  |  |  |  |  |  |
| 210Fr |  | 87 | 123 | 209,996408(24) | 3,18(6) mnt | α (60%) | 206At | 6+ |  |  |  |  |  |  |  |  |  |  |  |
| 210Fr |  | 87 | 123 | 209,996408(24) | 3,18(6) mnt | β+ (40%) | 210Rn | 6+ |  |  |  |  |  |  |  |  |  |  |  |
| 211Fr |  | 87 | 124 | 210,995537(23) | 3,10(2) mnt | α (80%) | 207At | 9/2− |  |  |  |  |  |  |  |  |  |  |  |
| 211Fr |  | 87 | 124 | 210,995537(23) | 3,10(2) mnt | β+ (20%) | 211Rn | 9/2− |  |  |  |  |  |  |  |  |  |  |  |
| 212Fr |  | 87 | 125 | 211,996202(28) | 20,0(6) mnt | β+ (57%) | 212Rn | 5+ |  |  |  |  |  |  |  |  |  |  |  |
| 212Fr |  | 87 | 125 | 211,996202(28) | 20,0(6) mnt | α (43%) | 208At | 5+ |  |  |  |  |  |  |  |  |  |  |  |
| 213Fr |  | 87 | 126 | 212,996189(8) | 34,6(3) dtk | α (99,45%) | 209At | 9/2− |  |  |  |  |  |  |  |  |  |  |  |
| 213Fr |  | 87 | 126 | 212,996189(8) | 34,6(3) dtk | β+ (0,55%) | 213Rn | 9/2− |  |  |  |  |  |  |  |  |  |  |  |
| 214Fr |  | 87 | 127 | 213,998971(9) | 5,0(2) mdtk | α | 210At | (1−) |  |  |  |  |  |  |  |  |  |  |  |
| 214m1Fr |  | 123(6) keV | 123(6) keV | 123(6) keV | 3,35(5) mdtk | α | 210At | (8−) |  |  |  |  |  |  |  |  |  |  |  |
| 214m2Fr |  | 638(6) keV | 638(6) keV | 638(6) keV | 103(4) ndtk |  |  | (11+) |  |  |  |  |  |  |  |  |  |  |  |
| 214m3Fr |  | 6477+Y keV | 6477+Y keV | 6477+Y keV | 108(7) ndtk |  |  | (33+) |  |  |  |  |  |  |  |  |  |  |  |
| 215Fr |  | 87 | 128 | 215,000341(8) | 86(5) ndtk | α | 211At | 9/2− |  |  |  |  |  |  |  |  |  |  |  |
| 216Fr |  | 87 | 129 | 216,003198(15) | 0,70(2) μdtk | α | 212At | (1−) |  |  |  |  |  |  |  |  |  |  |  |
| 216Fr |  | 87 | 129 | 216,003198(15) | 0,70(2) μdtk | β+ (2×10−7%) | 216Rn | (1−) |  |  |  |  |  |  |  |  |  |  |  |
| 217Fr |  | 87 | 130 | 217,004632(7) | 16,8(19) μdtk | α | 213At | 9/2− |  |  |  |  |  |  |  |  |  |  |  |
| 218Fr |  | 87 | 131 | 218,007578(5) | 1,0(6) mdtk | α | 214At | 1− |  |  |  |  |  |  |  |  |  |  |  |
| 218m1Fr |  | 86(4) keV | 86(4) keV | 86(4) keV | 22,0(5) mdtk | α | 214At |  |  |  |  |  |  |  |  |  |  |  |  |
| 218m1Fr |  | 86(4) keV | 86(4) keV | 86(4) keV | 22,0(5) mdtk | IT (langka) | 218Fr |  |  |  |  |  |  |  |  |  |  |  |  |
| 218m2Fr |  | 200(150)# keV | 200(150)# keV | 200(150)# keV |  |  |  | tinggi |  |  |  |  |  |  |  |  |  |  |  |
| 219Fr |  | 87 | 132 | 219,009252(8) | 20(2) mdtk | α | 215At | 9/2− |  |  |  |  |  |  |  |  |  |  |  |
| 220Fr |  | 87 | 133 | 220,012327(4) | 27,4(3) dtk | α (99,65%) | 216At | 1+ |  |  |  |  |  |  |  |  |  |  |  |
| 220Fr |  | 87 | 133 | 220,012327(4) | 27,4(3) dtk | β− (0,35%) | 220Ra | 1+ |  |  |  |  |  |  |  |  |  |  |  |
| 221Fr |  | 87 | 134 | 221,014255(5) | 4,9(2) mnt | α (99,9%) | 217At | 5/2− | Renik |  |  |  |  |  |  |  |  |  |  |
| 221Fr |  | 87 | 134 | 221,014255(5) | 4,9(2) mnt | β− (0,1%) | 221Ra | 5/2− | Renik |  |  |  |  |  |  |  |  |  |  |
| 221Fr |  | 87 | 134 | 221,014255(5) | 4,9(2) mnt | CD (8,79×10−11%) | 207Tl 14C | 5/2− | Renik |  |  |  |  |  |  |  |  |  |  |
| 222Fr |  | 87 | 135 | 222,017552(23) | 14,2(3) mnt | β− | 222Ra | 2− |  |  |  |  |  |  |  |  |  |  |  |
| 223Fr | Aktinium K | 87 | 136 | 223,0197359(26) | 22,00(7) mnt | β− (99,99%) | 223Ra | 3/2(−) | Renik |  |  |  |  |  |  |  |  |  |  |
| 223Fr | Aktinium K | 87 | 136 | 223,0197359(26) | 22,00(7) mnt | α (0,006%) | 219At | 3/2(−) | Renik |  |  |  |  |  |  |  |  |  |  |
| 224Fr |  | 87 | 137 | 224,02325(5) | 3,33(10) mnt | β− | 224Ra | 1− |  |  |  |  |  |  |  |  |  |  |  |
| 225Fr |  | 87 | 138 | 225,02557(3) | 4,0(2) mnt | β− | 225Ra | 3/2− |  |  |  |  |  |  |  |  |  |  |  |
| 226Fr |  | 87 | 139 | 226,02939(11) | 49(1) dtk | β− | 226Ra | 1− |  |  |  |  |  |  |  |  |  |  |  |
| 227Fr |  | 87 | 140 | 227,03184(11) | 2,47(3) mnt | β− | 227Ra | 1/2+ |  |  |  |  |  |  |  |  |  |  |  |
| 228Fr |  | 87 | 141 | 228,03573(22)# | 38(1) dtk | β− | 228Ra | 2− |  |  |  |  |  |  |  |  |  |  |  |
| 229Fr |  | 87 | 142 | 229,03845(4) | 50,2(4) dtk | β− | 229Ra | (1/2+)# |  |  |  |  |  |  |  |  |  |  |  |
| 230Fr |  | 87 | 143 | 230,04251(48)# | 19,1(5) dtk | β− | 230Ra |  |  |  |  |  |  |  |  |  |  |  |  |
| 231Fr |  | 87 | 144 | 231,04544(50)# | 17,6(6) dtk | β− | 231Ra | (1/2+)# |  |  |  |  |  |  |  |  |  |  |  |
| 232Fr |  | 87 | 145 | 232,04977(69)# | 5(1) dtk | β− | 232Ra |  |  |  |  |  |  |  |  |  |  |  |  |
Header & footer tabel ini:  view 
↑  mFr –  Isomer nuklir tereksitasi.
↑  ( ) –  Ketidakpastian (1σ) diberikan dalam bentuk ringkas dalam tanda kurung setelah digit terakhir yang sesuai.
↑  # –  Massa atom bertanda #: nilai dan ketidakpastian yang diperoleh bukan dari data eksperimen murni, tetapi setidaknya sebagian dari tren dari Permukaan Massa (trends from the Mass Surface, TMS).
1 2 3  # –  Nilai yang ditandai # tidak murni berasal dari data eksperimen, tetapi setidaknya sebagian dari tren nuklida tetangga (trends of neighboring nuclides, TNN).
↑  
Mode peluruhan:


CD:Peluruhan gugus

IT:Transisi isomerik
↑  ( ) nilai spin –  Menunjukkan spin dengan argumen penempatan yang lemah.
↑  Produk peluruhan antara dari 237Np
↑  Produk peluruhan antara dari 235U