Nobelium isotopes are varieties of atoms (and nuclei ) of the chemical element of nobelium having different neutron contents in the nucleus.
Nobelium isotope table
| Symbol nuclide | Z ( p ) | N ( n ) | Isotope mass [1] ( a.m. ) | Period half-life [2] (T 1/2 ) | Spin and Parity kernels [2] |
|---|---|---|---|---|---|
| Excitation energy | |||||
| 248 No | 102 | 146 | 248,08660 | 2 μs | 0+ |
| 249 No | 102 | 147 | 249,08783 | 57 μs | 5/2 + |
| 250 No | 102 | 148 | 250.08751 | 5.7 μs | 0+ |
| 251 No | 102 | 149 | 251.08901 | 780 ms | 7/2 + |
| 251m No | 110 keV | 1.7 s | 9 / 2- | ||
| 252 No | 102 | 150 | 252,088977 | 2.27 s | 0+ |
| 253 No | 102 | 151 | 253,09068 | 1.62 min | 9 / 2- |
| 253m No | 129 keV | 31 μs | 5/2 + | ||
| 254 No | 102 | 152 | 254,090955 | 51 s | 0+ |
| 254m No | 500 keV | 280 ms | 0+ | ||
| 255 No | 102 | 153 | 255.093241 | 3.1 min | 1/2 + |
| 256 No | 102 | 154 | 256,094283 | 2.91 s | 0+ |
| 257 No | 102 | 155 | 257.096877 | 25 s | 7/2 + |
| 258 No | 102 | 156 | 258,09821 | 1.2 ms | 0+ |
| 259 No | 102 | 157 | 259,10103 | 58 min | 9/2 + |
| 260 No | 102 | 158 | 260,10264 | 106 ms | 0+ |
| 261 No | 102 | 159 | 261.10575 | 3 h | 3/2 + |
| 262 No | 102 | 160 | 262.10730 | 5 ms | 0+ |
| 263 No | 102 | 161 | 263,11055 | 20 minutes | |
| 264 No | 102 | 162 | 264,11235 | 1 min | 0+ |
Notes
- ↑ Data shown for Audi G. , Wapstra AH , Thibault C. The AME2003 atomic mass evaluation (II). Tables, graphs, and references (Eng.) // Nuclear Physics A. - 2003. - Vol. 729 . - P. 337–676 . - DOI : 10.1016 / j.nuclphysa.2003.11.003 . - .
- ↑ 1 2 Data are given for Audi G. , Bersillon O. , Blachot J. , Wapstra AH The NUBASE evaluation of nuclear and decay properties // Nuclear Physics A. - 2003 .-- T. 729 . - S. 3—128 . - DOI : 10.1016 / j.nuclphysa.2003.11.001 . - .
Isotopes of Mendelium Periodic Table on the Isotopes of Elements Lawotenium Isotopes
| one H | 2 He | ||||||||||||||||
| 3 Li | four Be | 5 B | 6 C | 7 N | 8 O | 9 F | 10 Ne | ||||||||||
| eleven Na | 12 Mg | 13 Al | fourteen Si | fifteen P | 16 S | 17 Cl | eighteen Ar | ||||||||||
| 19 K | twenty Ca | 21 Sc | 22 Ti | 23 V | 24 Cr | 25 Mn | 26 Fe | 27 Co | 28 Ni | 29th Cu | thirty Zn | 31 Ga | 32 Ge | 33 As | 34 Se | 35 Br | 36 Kr |
| 37 Rb | 38 Sr | 39 Y | 40 Zr | 41 Nb | 42 Mo | 43 Tc | 44 Ru | 45 Rh | 46 Pd | 47 Ag | 48 Cd | 49 In | fifty Sn | 51 Sb | 52 Te | 53 I | 54 Xe |
| 55 Cs | 56 Ba | * | 72 Hf | 73 Ta | 74 W | 75 Re | 76 Os | 77 Ir | 78 Pt | 79 Au | 80 Hg | 81 Tl | 82 Pb | 83 Bi | 84 Po | 85 At | 86 Rn |
| 87 Fr | 88 Ra | ** | 104 Rf | 105 Db | 106 Sg | 107 Bh | 108 Hs | 109 Mt | 110 Ds | 111 Rg | 112 Cn | 113 Nh | 114 Fl | 115 Mc | 116 Lv | 117 Ts | 118 Og |
| * | 57 La | 58 Ce | 59 Pr | 60 Nd | 61 Pm | 62 Sm | 63 Eu | 64 Gd | 65 Tb | 66 Dy | 67 Ho | 68 Er | 69 Tm | 70 Yb | 71 Lu |
| ** | 89 Ac | 90 Th | 91 Pa | 92 U | 93 Np | 94 Pu | 95 Am | 96 Cm | 97 Bk | 98 Cf | 99 Es | one hundred Fm | 101 Md | 102 No | 103 Lr |