Standard atomic mass: 132.9054519(2) u
| nuclide symbol |
Z(p) | N(n) | isotopic mass (u) |
half-life | nuclear spin |
representative isotopic composition (mole fraction) |
range of natural variation (mole fraction) |
|---|---|---|---|---|---|---|---|
| excitation energy | |||||||
| 112Cs | 55 | 57 | 111.95030(33)# | 500(100) µs | 1+# | ||
| 113Cs | 55 | 58 | 112.94449(11) | 16.7(7) µs | 5/2+# | ||
| 114Cs | 55 | 59 | 113.94145(33)# | 0.57(2) s | (1+) | ||
| 115Cs | 55 | 60 | 114.93591(32)# | 1.4(8) s | 9/2+# | ||
| 116Cs | 55 | 61 | 115.93337(11)# | 0.70(4) s | (1+) | ||
| 116mCs | 100(60)# keV | 3.85(13) s | 4+,5,6 | ||||
| 117Cs | 55 | 62 | 116.92867(7) | 8.4(6) s | (9/2+)# | ||
| 117mCs | 150(80)# keV | 6.5(4) s | 3/2+# | ||||
| 118Cs | 55 | 63 | 117.926559(14) | 14(2) s | 2 | ||
| 118mCs | 100(60)# keV | 17(3) s | (7-) | ||||
| 119Cs | 55 | 64 | 118.922377(15) | 43.0(2) s | 9/2+ | ||
| 119mCs | 50(30)# keV | 30.4(1) s | 3/2(+) | ||||
| 120Cs | 55 | 65 | 119.920677(11) | 61.2(18) s | 2(-#) | ||
| 120mCs | 100(60)# keV | 57(6) s | (7-) | ||||
| 121Cs | 55 | 66 | 120.917229(15) | 155(4) s | 3/2(+) | ||
| 121mCs | 68.5(3) keV | 122(3) s | 9/2(+) | ||||
| 122Cs | 55 | 67 | 121.91611(3) | 21.18(19) s | 1+ | ||
| 122m1Cs | 45.8 keV | >1 µs | (3)+ | ||||
| 122m2Cs | 140(30) keV | 3.70(11) min | 8- | ||||
| 122m3Cs | 127.0(5) keV | 360(20) ms | (5)- | ||||
| 123Cs | 55 | 68 | 122.912996(13) | 5.88(3) min | 1/2+ | ||
| 123m1Cs | 156.27(5) keV | 1.64(12) s | (11/2)- | ||||
| 123m2Cs | 231.63+X keV | 114(5) ns | (9/2+) | ||||
| 124Cs | 55 | 69 | 123.912258(9) | 30.9(4) s | 1+ | ||
| 124mCs | 462.55(17) keV | 6.3(2) s | (7)+ | ||||
| 125Cs | 55 | 70 | 124.909728(8) | 46.7(1) min | 1/2(+) | ||
| 125mCs | 266.6(11) keV | 900(30) ms | (11/2-) | ||||
| 126Cs | 55 | 71 | 125.909452(13) | 1.64(2) min | 1+ | ||
| 126m1Cs | 273.0(7) keV | >1 µs | |||||
| 126m2Cs | 596.1(11) keV | 171(14) µs | |||||
| 127Cs | 55 | 72 | 126.907418(6) | 6.25(10) h | 1/2+ | ||
| 127mCs | 452.23(21) keV | 55(3) µs | (11/2)- | ||||
| 128Cs | 55 | 73 | 127.907749(6) | 3.640(14) min | 1+ | ||
| 129Cs | 55 | 74 | 128.906064(5) | 32.06(6) h | 1/2+ | ||
| 130Cs | 55 | 75 | 129.906709(9) | 29.21(4) min | 1+ | ||
| 130mCs | 163.25(11) keV | 3.46(6) min | 5- | ||||
| 131Cs | 55 | 76 | 130.905464(5) | 9.689(16) d | 5/2+ | ||
| 132Cs | 55 | 77 | 131.9064343(20) | 6.480(6) d | 2+ | ||
| 133Cs | 55 | 78 | 132.905451933(24) | STABLE | 7/2+ | 1.0000 | |
| 134Cs | 55 | 79 | 133.906718475(28) | 2.0652(4) a | 4+ | ||
| 134mCs | 138.7441(26) keV | 2.912(2) h | 8- | ||||
| 135Cs | 55 | 80 | 134.9059770(11) | 2.3(3)E+6 a | 7/2+ | ||
| 135mCs | 1632.9(15) keV | 53(2) min | 19/2- | ||||
| 136Cs | 55 | 81 | 135.9073116(20) xIsotopes of caesium - pedia, the free encyclopedia Find Find Www About To Orgasmu l Escort 9500ix Website bIsotopes of caesium - pedia, the free encyclopedia Find Find Www About To Orgasmh Find 9500ix Search | ||||