Isotop torium
Daftar isotop

| Nuklida | Nama historis | Z> Energi eksitasi | N> Energi eksitasi | Massa isotop (Da) > Energi eksitasi | Waktu paruh | Modepeluruhan | Isotopanak | Spin dan paritas | Kelimpahan alami (fraksi mol)> Proporsi normal | Kelimpahan alami (fraksi mol)> Rentang variasi |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 207Th |  | 90 | 117 |  | 9.7(+46.6−4.4) mdtk | α | 203Ra |  |  |  |  |  |  |  |  |  |  |  |  |
| 208Th |  | 90 | 118 | 208,01791(4) | 1,7(+1,7-0,6) mdtk | α | 204Ra | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 209Th |  | 90 | 119 | 209,01772(11) | 7(5) mdtk [3,8(+69−15)] | α | 205Ra | 5/2−# |  |  |  |  |  |  |  |  |  |  |  |
| 210Th |  | 90 | 120 | 210,015075(27) | 17(11) mdtk [9(+17−4) mdtk] | α | 206Ra | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 210Th |  | 90 | 120 | 210,015075(27) | 17(11) mdtk [9(+17−4) mdtk] | β+ (langka) | 210Ac | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 211Th |  | 90 | 121 | 211,01493(8) | 48(20) mdtk [0,04(+3−1) dtk] | α | 207Ra | 5/2−# |  |  |  |  |  |  |  |  |  |  |  |
| 211Th |  | 90 | 121 | 211,01493(8) | 48(20) mdtk [0,04(+3−1) dtk] | β+ (langka) | 211Ac | 5/2−# |  |  |  |  |  |  |  |  |  |  |  |
| 212Th |  | 90 | 122 | 212,01298(2) | 36(15) mdtk [30(+20-10) mdtk] | α (99,7%) | 208Ra | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 212Th |  | 90 | 122 | 212,01298(2) | 36(15) mdtk [30(+20-10) mdtk] | β+ (0,3%) | 212Ac | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 213Th |  | 90 | 123 | 213,01301(8) | 140(25) mdtk | α | 209Ra | 5/2−# |  |  |  |  |  |  |  |  |  |  |  |
| 213Th |  | 90 | 123 | 213,01301(8) | 140(25) mdtk | β+ (langka) | 213Ac | 5/2−# |  |  |  |  |  |  |  |  |  |  |  |
| 214Th |  | 90 | 124 | 214,011500(18) | 100(25) mdtk | α | 210Ra | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 215Th |  | 90 | 125 | 215,011730(29) | 1,2(2) dtk | α | 211Ra | (1/2−) |  |  |  |  |  |  |  |  |  |  |  |
| 216Th |  | 90 | 126 | 216,011062(14) | 26,8(3) mdtk | α (99,99%) | 212Ra | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 216Th |  | 90 | 126 | 216,011062(14) | 26,8(3) mdtk | β+ (0,006%) | 216Ac | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 216m1Th |  | 2042(13) keV | 2042(13) keV | 2042(13) keV | 137(4) μdtk |  |  | (8+) |  |  |  |  |  |  |  |  |  |  |  |
| 216m2Th |  | 2637(20) keV | 2637(20) keV | 2637(20) keV | 615(55) ndtk |  |  | (11−) |  |  |  |  |  |  |  |  |  |  |  |
| 217Th |  | 90 | 127 | 217,013114(22) | 240(5) μdtk | α | 213Ra | (9/2+) |  |  |  |  |  |  |  |  |  |  |  |
| 218Th |  | 90 | 128 | 218,013284(14) | 109(13) ndtk | α | 214Ra | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 219Th |  | 90 | 129 | 219,01554(5) | 1,05(3) μdtk | α | 215Ra | 9/2+# |  |  |  |  |  |  |  |  |  |  |  |
| 219Th |  | 90 | 129 | 219,01554(5) | 1,05(3) μdtk | β+ (10−7%) | 219Ac | 9/2+# |  |  |  |  |  |  |  |  |  |  |  |
| 220Th |  | 90 | 130 | 220,015748(24) | 9,7(6) μdtk | α | 216Ra | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 220Th |  | 90 | 130 | 220,015748(24) | 9,7(6) μdtk | EC (2×10−7%) | 220Ac | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 221Th |  | 90 | 131 | 221,018184(10) | 1,73(3) mdtk | α | 217Ra | (7/2+) |  |  |  |  |  |  |  |  |  |  |  |
| 222Th |  | 90 | 132 | 222,018468(13) | 2,237(13) mdtk | α | 218Ra | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 222Th |  | 90 | 132 | 222,018468(13) | 2,237(13) mdtk | EC (1,3×10−8%) | 222Ac | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 223Th |  | 90 | 133 | 223,020811(10) | 0,60(2) dtk | α | 219Ra | (5/2)+ |  |  |  |  |  |  |  |  |  |  |  |
| 224Th |  | 90 | 134 | 224,021467(12) | 1,05(2) dtk | α | 220Ra | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 224Th |  | 90 | 134 | 224,021467(12) | 1,05(2) dtk | β+β+ (langka) | 224Ra | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 224Th |  | 90 | 134 | 224,021467(12) | 1,05(2) dtk | CD (langka) | 208Pb 16O | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 225Th |  | 90 | 135 | 225,023951(5) | 8,72(4) mnt | α (90%) | 221Ra | (3/2)+ |  |  |  |  |  |  |  |  |  |  |  |
| 225Th |  | 90 | 135 | 225,023951(5) | 8,72(4) mnt | EC (10%) | 225Ac | (3/2)+ |  |  |  |  |  |  |  |  |  |  |  |
| 226Th |  | 90 | 136 | 226,024903(5) | 30,57(10) mnt | α | 222Ra | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 227Th | Radioaktinium | 90 | 137 | 227,0277041(27) | 18,68(9) hri | α | 223Ra | 1/2+ | Renik |  |  |  |  |  |  |  |  |  |  |
| 228Th | Radiotorium | 90 | 138 | 228,0287411(24) | 1,9116(16) thn | α | 224Ra | 0+ | Renik |  |  |  |  |  |  |  |  |  |  |
| 228Th | Radiotorium | 90 | 138 | 228,0287411(24) | 1,9116(16) thn | CD (1,3×10−11%) | 208Pb 20O | 0+ | Renik |  |  |  |  |  |  |  |  |  |  |
| 229Th |  | 90 | 139 | 229,031762(3) | 7,34(16)×103 thn | α | 225Ra | 5/2+ | Renik |  |  |  |  |  |  |  |  |  |  |
| 229mTh |  | 8,3(2) eV | 8,3(2) eV | 8,3(2) eV | 7(1) μdtk | IT | 229Th | 3/2+ |  |  |  |  |  |  |  |  |  |  |  |
| 230Th | Ionium | 90 | 140 | 230,0331338(19) | 7,538(30)×104 thn | α | 226Ra | 0+ | 0,0002(2) |  |  |  |  |  |  |  |  |  |  |
| 230Th | Ionium | 90 | 140 | 230,0331338(19) | 7,538(30)×104 thn | CD (5,6×10−11 %) | 206Hg 24Ne | 0+ | 0,0002(2) |  |  |  |  |  |  |  |  |  |  |
| 230Th | Ionium | 90 | 140 | 230,0331338(19) | 7,538(30)×104 thn | SF (5×10−11%) | (beberapa) | 0+ | 0,0002(2) |  |  |  |  |  |  |  |  |  |  |
| 231Th | Uranium Y | 90 | 141 | 231,0363043(19) | 25,52(1) jam | β− | 231Pa | 5/2+ | Renik |  |  |  |  |  |  |  |  |  |  |
| 231Th | Uranium Y | 90 | 141 | 231,0363043(19) | 25,52(1) jam | α (10−8%) | 227Ra | 5/2+ | Renik |  |  |  |  |  |  |  |  |  |  |
| 232Th | Torium | 90 | 142 | 232,0380553(21) | 1,405(6)×1010 thn | α | 228Ra | 0+ | 0,9998(2) |  |  |  |  |  |  |  |  |  |  |
| 232Th | Torium | 90 | 142 | 232,0380553(21) | 1,405(6)×1010 thn | β−β− (langka) | 232U | 0+ | 0,9998(2) |  |  |  |  |  |  |  |  |  |  |
| 232Th | Torium | 90 | 142 | 232,0380553(21) | 1,405(6)×1010 thn | SF (1,1×10-9,%) | (beberapa) | 0+ | 0,9998(2) |  |  |  |  |  |  |  |  |  |  |
| 232Th | Torium | 90 | 142 | 232,0380553(21) | 1,405(6)×1010 thn | CD (2,78×10−10%) | 182Yb 26Ne 24Ne | 0+ | 0,9998(2) |  |  |  |  |  |  |  |  |  |  |
| 233Th |  | 90 | 143 | 233,0415818(21) | 21,83(4) mnt | β− | 233Pa | 1/2+ |  |  |  |  |  |  |  |  |  |  |  |
| 234Th | Uranium X1 | 90 | 144 | 234,043601(4) | 24,10(3) hri | β− | 234mPa | 0+ | Renik |  |  |  |  |  |  |  |  |  |  |
| 235Th |  | 90 | 145 | 235,04751(5) | 7,2(1) mnt | β− | 235Pa | (1/2+)# |  |  |  |  |  |  |  |  |  |  |  |
| 236Th |  | 90 | 146 | 236,04987(21)# | 37,5(2) mnt | β− | 236Pa | 0+ |  |  |  |  |  |  |  |  |  |  |  |
| 237Th |  | 90 | 147 | 237,05389(39)# | 4,8(5) mnt | β− | 237Pa | 5/2+# |  |  |  |  |  |  |  |  |  |  |  |
| 238Th |  | 90 | 148 | 238,0565(3)# | 9,4(20) mnt | β− | 238Pa | 0+ |  |  |  |  |  |  |  |  |  |  |  |
Header & footer tabel ini:  view 
↑  mTh –  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).
↑  Waktu paruh tebal –  hampir stabil, waktu paruh lebih lama dari umur alam semesta.
↑  
Mode peluruhan:


CD:Peluruhan gugus

EC:Penangkapan elektron

IT:Transisi isomerik
↑  Simbol tebal sebagai anak –  Produk anak stabil.
↑  ( ) nilai spin –  Menunjukkan spin dengan argumen penempatan yang lemah.
↑  # –  Nilai yang ditandai # tidak murni berasal dari data eksperimen, tetapi setidaknya sebagian dari tren nuklida tetangga (trends of neighboring nuclides, TNN).
1 2  Produk peluruhan antara dari 235U
↑  Produk peluruhan antara dari 232Th
↑  Produk peluruhan antara dari 237Np
↑  Digunakan dalam penanggalan uranium–torium
1 2  Produk peluruhan antara dari 238U
↑  Radionuklida primordial