قائمة النظائر
القائمة > نظائر مشعة ذات عمر نصف من ساعة واحدة إلى 24 ساعة

| التسلسل | النويدة | البروتونات | النيوترونات | الطاقة | عمر النصف (ثواني) | عمر النصف (ساعات) | طريقة الاضمحلال | ملاحظات |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 677 | 197mHg | 80 | 117 |  | 8.568×104 | 23.8 | IT |  |
| 678 | 187W | 74 | 113 | 8.284722 | 8.539×104 | 23.7 | β− |  |
| 679 | 248mBk | 97 | 151 |  | 8.532×104 | 23.7 | β−, EC (30) |  |
| 680 | 173Hf | 72 | 101 | 8.391617 | 8.496×104 | 23.6 | β+ |  |
| 681 | 96Nb | 41 | 55 | 8.963036 | 8.406×104 | 23.4 | β− |  |
| 682 | 154m2Tb | 65 | 89 | 8.526912 | 8.172×104 | 22.7 | β+, IT (1.8) |  |
| 683 | 236mNp | 93 | 143 |  | 8.1×104 | 22.5 | EC, β− (50) |  |
| 684 | 43K | 19 | 24 | 8.922327 | 8.028×104 | 22.3 | β− |  |
| 685 | 182Os | 76 | 106 | 8.316432 | 7.956×104 | 22.1 | β+ |  |
| 686 | 228Pa | 91 | 137 | 7.944468 | 7.920×104 | 22.0 | β+, α (2) |  |
| 687 | 48Cr | 24 | 24 | 8.963390 | 7.762×104 | 21.6 | β+ |  |
| 688 | 154Tb | 65 | 89 |  | 7.74×104 | 21.5 | β+, β− (<0.1) |  |
| 689 | 200Pb | 82 | 118 | 8.202542 | 7.740×104 | 21.5 | β+ |  |
| 690 | 112Pd | 46 | 66 | 8.842185 | 7.571×104 | 21.0 | β− |  |
| 691 | 28Mg | 12 | 16 | 8.607706 | 7.529×104 | 20.9 | β− | CG |
| 692 | 100Rh | 45 | 55 | 8.927167 | 7.488×104 | 20.8 | β+ |  |
| 693 | 133I | 53 | 80 | 8.717094 | 7.488×104 | 20.8 | β− |  |
| 694 | 122Xe | 54 | 68 | 8.770959 | 7.236×104 | 20.1 | β+ |  |
| 695 | 255Fm | 100 | 155 | 7.742704 | 7.225×104 | 20.1 | α, SF (tr) |  |
| 696 | 95Tc | 43 | 52 |  | 7.2×104 | 20.0 | β+ |  |
| 697 | 181Re | 75 | 106 | 8.328294 | 7.164×104 | 19.9 | β+ |  |
| 698 | 197Pt | 78 | 119 | 8.225756 | 7.161×104 | 19.9 | β− |  |
| 699 | 135La | 57 | 78 | 8.713179 | 7.020×104 | 19.5 | β+ |  |
| 700 | 194Ir | 77 | 117 |  | 6.941×104 | 19.3 | β− |  |
| 701 | 142Pr | 59 | 83 | 8.661417 | 6.883×104 | 19.1 | β−,EC (tr) |  |
| 702 | 200mAu | 79 | 121 | 8.202877 | 6.732×104 | 18.7 | β−, IT (18) |  |
| 703 | 159Gd | 64 | 95 | 8.502576 | 6.652×104 | 18.5 | β− |  |
| 704 | 135Ce | 58 | 77 | 8.698179 | 6.372×104 | 17.7 | β+ |  |
| 705 | 193Au | 79 | 114 | 8.244353 | 6.354×104 | 17.7 | β+ |  |
| 706 | 151Tb | 65 | 86 | 8.545692 | 6.339×104 | 17.6 | β+, α (tr) |  |
| 707 | 55Co | 27 | 28 | 9.053647 | 6.311×104 | 17.5 | β+ |  |
| 708 | 152Tb | 65 | 87 | 8.536591 | 6.300×104 | 17.5 | β+, α (tr) |  |
| 709 | 188Re | 75 | 113 | 8.278860 | 6.121×104 | 17.0 | β− | IM |
| 710 | 125Xe | 54 | 71 | 8.768864 | 6.084×104 | 16.9 | β+ |  |
| 711 | 97Zr | 40 | 57 | 8.926451 | 6.028×104 | 16.7 | β− |  |
| 712 | 186Ir | 77 | 109 | 8.281935 | 5.990×104 | 16.6 | β+ |  |
| 713 | 86Zr | 40 | 46 | 8.975979 | 5.940×104 | 16.5 | β+ |  |
| 714 | 76Br | 35 | 41 | 8.996183 | 5.832×104 | 16.2 | β+ |  |
| 715 | 119Te | 52 | 67 |  | 5.778×104 | 16.1 | EC, e+ (2.1) |  |
| 716 | 242Am | 95 | 147 |  | 5.767×104 | 16.0 | β−, EC (17) |  |
| 717 | 170Hf | 72 | 98 | 8.402210 | 5.764×104 | 16.0 | β+ |  |
| 718 | 157Eu | 63 | 94 | 8.513792 | 5.465×104 | 15.2 | β− |  |
| 719 | 24Na | 11 | 13 | 8.422082 | 5.382×104 | 15.0 | β− | CG, IM |
| 720 | 76Kr | 36 | 40 | 8.979406 | 5.328×104 | 14.8 | β+ |  |
| 721 | 86Y | 39 | 47 | 8.993234 | 5.306×104 | 14.7 | β+ |  |
| 722 | 211Rn | 86 | 125 | 8.112825 | 5.256×104 | 14.6 | β+, α (27) |  |
| 723 | 90Nb | 41 | 49 | 8.989727 | 5.256×104 | 14.6 | β+ |  |
| 724 | 185Ir | 77 | 108 | 8.289382 | 5.184×104 | 14.4 | β+ |  |
| 725 | 240U | 92 | 148 | 7.851682 | 5.076×104 | 14.1 | β− |  |
| 726 | 72Ga | 31 | 41 | 9.023958 | 5.074×104 | 14.1 | β− |  |
| 727 | 69mZn | 30 | 39 | 9.056536 | 4.954×104 | 13.8 | IT, β− (tr) |  |
| 728 | 109Pd | 46 | 63 | 8.875061 | 4.932×104 | 13.7 | β− |  |
| 729 | 87mY | 39 | 48 |  | 4.813×104 | 13.4 | IT, β+ (1.6) |  |
| 730 | 123I | 53 | 70 | 8.786311 | 4.760×104 | 13.2 | β+ | IM |
| 731 | 191mOs | 76 | 115 |  | 4.716×104 | 13.1 | IT |  |
| 732 | 183Os | 76 | 107 | 8.309907 | 4.680×104 | 13.0 | β+ |  |
| 733 | 150mEu | 63 | 87 |  | 4.608×104 | 12.8 | β−, β+(11) |  |
| 734 | 64Cu | 29 | 35 | 9.093581 | 4.572×104 | 12.7 | β+, β− (38) | IM |
| 735 | 182mRe | 75 | 107 |  | 4.572×104 | 12.7 | β+ |  |
| 736 | 200Pt | 78 | 122 | 8.204342 | 4.500×104 | 12.5 | β− |  |
| 737 | 130I | 53 | 77 | 8.740035 | 4.450×104 | 12.4 | β− |  |
| 738 | 42K | 19 | 23 | 8.905175 | 4.436×104 | 12.3 | β− | IM |
| 739 | 171Hf | 72 | 99 | 8.395480 | 4.356×104 | 12.1 | β+ |  |
| 740 | 239Am | 95 | 144 | 7.864666 | 4.284×104 | 11.9 | β+, α (0.01) |  |
| 741 | 193mHg | 80 | 113 | 8.231483 | 4.248×104 | 11.8 | β+, IT (7.2) |  |
| 742 | 203Bi | 83 | 120 | 8.177436 | 4.234×104 | 11.8 | β+ |  |
| 743 | 77Ge | 32 | 45 | 8.996185 | 4.068×104 | 11.3 | β− |  |
| 744 | 204Bi | 83 | 121 | 8.172651 | 4.039×104 | 11.2 | β+ |  |
| 745 | 189Pt | 78 | 111 | 8.264359 | 3.913×104 | 10.9 | β+ |  |
| 746 | 212Pb | 82 | 130 | 8.106928 | 3.830×104 | 10.6 | β− | DP, IM |
| 747 | 195Hg | 80 | 115 |  | 3.791×104 | 10.5 | β+ |  |
| 748 | 175Ta | 73 | 102 | 8.370813 | 3.780×104 | 10.5 | β+ |  |
| 749 | 245Pu | 94 | 151 | 7.813752 | 3.780×104 | 10.5 | β− |  |
| 750 | 187Ir | 77 | 110 | 8.283713 | 3.780×104 | 10.5 | β+ |  |
| 751 | 165Er | 68 | 97 | 8.462406 | 3.730×104 | 10.4 | β+ |  |
| 752 | 93Y | 39 | 54 | 8.976951 | 3.665×104 | 10.2 | β− |  |
| 753 | 244Am | 95 | 149 | 7.825914 | 3.636×104 | 10.1 | β− |  |
| 754 | 266Lr | 103 | 163 |  | 3.600×104 | 10.0 | SF |  |
| 755 | 154m1Tb | 65 | 89 |  | 3.598×104 | 9.99 | β+, IT(22) |  |
| 756 | 183mOs | 76 | 107 |  | 3.564×104 | 9.90 | β+, IT(15) |  |
| 757 | 155Dy | 66 | 89 | 8.517521 | 3.564×104 | 9.90 | β+ |  |
| 758 | 91Sr | 38 | 53 | 8.990503 | 3.467×104 | 9.63 | β− |  |
| 759 | 196m2Au | 79 | 117 |  | 3.456×104 | 9.60 | IT |  |
| 760 | 66Ga | 31 | 35 | 9.036843 | 3.416×104 | 9.49 | β+ |  |
| 761 | 156Sm | 62 | 94 | 8.516007 | 3.384×104 | 9.40 | β− |  |
| 762 | 127Te | 52 | 75 |  | 3.366×104 | 9.35 | β− |  |
| 763 | 201Pb | 82 | 119 | 8.196989 | 3.359×104 | 9.33 | β+ |  |
| 764 | 152mEu | 63 | 89 |  | 3.352×104 | 9.31 | β−, β+(28) |  |
| 765 | 62Zn | 30 | 32 | 9.057957 | 3.307×104 | 9.19 | β+ |  |
| 766 | 135Xe | 54 | 81 | 8.711453 | 3.290×104 | 9.14 | β− |  |
| 767 | 58mCo | 27 | 31 |  | 3.276×104 | 9.10 | IT |  |
| 768 | 128Sb | 51 | 77 | 8.732343 | 3.244×104 | 9.01 | β− |  |
| 769 | 137Ce | 58 | 79 |  | 3.24×104 | 9.00 | β+ |  |
| 770 | 234Pu | 94 | 140 | 7.898892 | 3.168×104 | 8.80 | β+, α (~6) |  |
| 771 | 184Ta | 73 | 111 | 8.304154 | 3.132×104 | 8.70 | β− |  |
| 772 | 250Es | 99 | 151 | 7.778407 | 3.096×104 | 8.60 | β+, α (<3) |  |
| 773 | 101Pd | 46 | 55 | 8.917149 | 3.049×104 | 8.47 | β+ |  |
| 774 | 52Fe | 26 | 26 | 9.000789 | 2.979×104 | 8.28 | β+ |  |
| 775 | 173Tm | 69 | 104 | 8.396524 | 2.966×104 | 8.24 | β− |  |
| 776 | 180Ta | 73 | 107 |  | 2.935×104 | 8.15 | EC, β− (14) |  |
| 777 | 157Dy | 66 | 91 | 8.513544 | 2.930×104 | 8.14 | β+ |  |
| 778 | 210At | 85 | 125 | 8.128337 | 2.916×104 | 8.10 | β+, α (0.2) |  |
| 779 | 176Ta | 73 | 103 | 8.363202 | 2.912×104 | 8.09 | β+ |  |
| 780 | 166Tm | 69 | 97 | 8.444183 | 2.772×104 | 7.70 | β+ |  |
| 781 | 256mEs | 99 | 157 | 7.730742 | 2.736×104 | 7.60 | β− |  |
| 782 | 171Er | 68 | 103 | 8.408901 | 2.706×104 | 7.52 | β− |  |
| 783 | 199Tl | 81 | 118 | 8.212333 | 2.671×104 | 7.42 | β+ |  |
| 784 | 211At | 85 | 126 | 8.126527 | 2.597×104 | 7.21 | β+, α (42) |  |
| 785 | 73Se | 34 | 39 | 9.005821 | 2.574×104 | 7.15 | β+ |  |
| 786 | 93mMo | 42 | 51 |  | 2.466×104 | 6.85 | IT, β+ (0.1) |  |
| 787 | 234Pa | 91 | 143 | 7.898930 | 2.412×104 | 6.70 | β− | DP |
| 788 | 135I | 53 | 82 | 8.691994 | 2.365×104 | 6.57 | β− |  |
| 789 | 107Cd | 48 | 59 | 8.884271 | 2.340×104 | 6.50 | β+ |  |
| 790 | 82mRb | 37 | 45 | 8.999608 | 2.330×104 | 6.47 | β+, IT (<0.3) |  |
| 791 | 153Dy | 66 | 87 | 8.523288 | 2.304×104 | 6.40 | β+, α (tr) |  |
| 792 | 127Cs | 55 | 72 | 8.750383 | 2.250×104 | 6.25 | β+ |  |
| 793 | 228Ac | 89 | 139 | 7.944591 | 2.214×104 | 6.15 | β− | DP |
| 794 | 99mTc | 43 | 56 |  | 2.162×104 | 6.01 | IT, β− (tr) | IM |
| 795 | 145Pr | 59 | 86 | 8.620514 | 2.154×104 | 5.98 | β− |  |
| 796 | 189mOs | 76 | 113 |  | 2.092×104 | 5.81 | IT |  |
| 797 | 207Po | 84 | 123 | 8.154158 | 2.088×104 | 5.80 | β+, α (0.02) |  |
| 798 | 90Mo | 42 | 48 | 8.962072 | 2.002×104 | 5.56 | β+ |  |
| 799 | 257Md | 101 | 156 | 7.725040 | 1.987×104 | 5.52 | EC, α (15), SF (tr) |  |
| 800 | 111mPd | 46 | 65 | 8.844589 | 1.980×104 | 5.50 | IT, β− (27) |  |
| 801 | 139mNd | 60 | 79 | 8.659529 | 1.980×104 | 5.50 | β+, IT (12) |  |
| 802 | 180mHf | 72 | 108 |  | 1.969×104 | 5.47 | IT, β− (0.3) |  |
| 803 | 209At | 85 | 124 | 8.132954 | 1.948×104 | 5.41 | β+, α (4.1) |  |
| 804 | 113Ag | 47 | 66 | 8.841531 | 1.933×104 | 5.37 | β− |  |
| 805 | 156m2Tb | 65 | 91 |  | 1.908×104 | 5.30 | IT (?), β+ (?) |  |
| 806 | 198Tl | 81 | 117 | 8.210166 | 1.908×104 | 5.30 | β+ |  |
| 807 | 251Fm | 100 | 151 | 7.768590 | 1.908×104 | 5.30 | β+, α (1.8) |  |
| 808 | 138Nd | 60 | 78 | 8.665661 | 1.814×104 | 5.04 | β+ |  |
| 809 | 160mHo | 67 | 93 | 8.485877 | 1.807×104 | 5.02 | IT, β+ (27) |  |
| 810 | 118mSb | 51 | 67 | 8.814963 | 1.800×104 | 5.00 | β+ |  |
| 811 | 243Pu | 94 | 149 | 7.833648 | 1.784×104 | 4.96 | β− |  |
| 812 | 192Au | 79 | 113 | 8.242036 | 1.778×104 | 4.94 | β+ |  |
| 813 | 110In | 49 | 61 | 8.857464 | 1.764×104 | 4.90 | β+ |  |
| 814 | 133mCe | 58 | 75 | 8.690771 | 1.764×104 | 4.90 | β+ |  |
| 815 | 94Tc | 43 | 51 | 8.966583 | 1.758×104 | 4.88 | β+ |  |
| 816 | 85mY | 39 | 46 | 8.986880 | 1.750×104 | 4.86 | β+, IT (tr) |  |
| 817 | 73Ga | 31 | 42 | 9.026112 | 1.750×104 | 4.86 | β− |  |
| 818 | 192Hg | 80 | 112 | 8.238051 | 1.746×104 | 4.85 | β+ |  |
| 819 | 132La | 57 | 75 | 8.705721 | 1.728×104 | 4.80 | β+ |  |
| 820 | 99mRh | 45 | 54 |  | 1.692×104 | 4.70 | β+, IT (<0.16) |  |
| 821 | 267Db | 105 | 162 | 7.644361 | 1.656×104 | 4.60 | SF |  |
| 822 | 179Lu | 71 | 108 | 8.345428 | 1.652×104 | 4.59 | β− |  |
| 823 | 81Rb | 37 | 44 | 9.002871 | 1.645×104 | 4.57 | β+ | IM |
| 824 | 243Bk | 97 | 146 | 7.829801 | 1.620×104 | 4.50 | β+, α (~0.15) |  |
| 825 | 115mIn | 49 | 66 |  | 1.615×104 | 4.49 | IT, β− (5.0) |  |
| 826 | 85mKr | 36 | 49 |  | 1.613×104 | 4.48 | β−, IT (21) |  |
| 827 | 105Ru | 44 | 61 | 8.889689 | 1.598×104 | 4.44 | β− |  |
| 828 | 80mBr | 35 | 45 | 9.018872 | 1.591×104 | 4.42 | IT |  |
| 829 | 139Pr | 59 | 80 | 8.681565 | 1.588×104 | 4.41 | β+ |  |
| 830 | 129Sb | 51 | 78 | 8.727358 | 1.584×104 | 4.40 | β− |  |
| 831 | 244Bk | 97 | 147 | 7.822491 | 1.566×104 | 4.35 | β+, α (tr) |  |
| 832 | 109In | 49 | 60 | 8.864805 | 1.512×104 | 4.20 | β+ |  |
| 833 | 184Hf | 72 | 112 | 8.296871 | 1.483×104 | 4.12 | β− |  |
| 834 | 149Tb | 65 | 84 | 8.551166 | 1.482×104 | 4.12 | β+, α (17) |  |
| 835 | 110Sn | 50 | 60 | 8.851727 | 1.480×104 | 4.11 | β+ |  |
| 836 | 44Sc | 21 | 23 |  | 1.429×104 | 3.97 | β+ |  |
| 837 | 71mZn | 30 | 41 | 9.017370 | 1.426×104 | 3.96 | β−, IT (tr) |  |
| 838 | 141La | 57 | 84 | 8.659540 | 1.411×104 | 3.92 | β− |  |
| 839 | 133La | 57 | 76 | 8.714109 | 1.408×104 | 3.91 | β+ |  |
| 840 | 43Sc | 21 | 22 | 8.912907 | 1.401×104 | 3.89 | β+ |  |
| 841 | 195mIr | 77 | 118 | 8.233326 | 1.368×104 | 3.80 | β−, IT (5) |  |
| 842 | 193Hg | 80 | 113 |  | 1.368×104 | 3.80 | β+ |  |
| 843 | 176mLu | 71 | 105 |  | 1.319×104 | 3.66 | β−, EC (0.1) |  |
| 844 | 262Lr | 103 | 159 | 7.681556 | 1.296×104 | 3.60 | SF, β+, α |  |
| 845 | 202mPb | 82 | 120 |  | 1.274×104 | 3.54 | IT, β+ (9.5) |  |
| 846 | 92Y | 39 | 53 | 8.993208 | 1.274×104 | 3.54 | β− |  |
| 847 | 204Po | 84 | 120 | 8.161200 | 1.271×104 | 3.53 | β+, α (0.7) |  |
| 848 | 132Ce | 58 | 74 | 8.696131 | 1.264×104 | 3.51 | β+ |  |
| 849 | 150Tb | 65 | 85 | 8.545394 | 1.253×104 | 3.48 | β+, α (tr) |  |
| 850 | 117mCd | 48 | 69 | 8.808840 | 1.210×104 | 3.36 | β− |  |
| 851 | 61Cu | 29 | 32 | 9.087452 | 1.200×104 | 3.33 | β+ |  |
| 852 | 209Pb | 82 | 127 | 8.155607 | 1.171×104 | 3.25 | β− |  |
| 853 | 254Fm | 100 | 154 | 7.752808 | 1.166×104 | 3.24 | α, SF (0.06) |  |
| 854 | 250Bk | 97 | 153 | 7.779523 | 1.156×104 | 3.21 | β− |  |
| 855 | 161Er | 68 | 93 | 8.476352 | 1.156×104 | 3.21 | β+ |  |
| 856 | 190mRe | 75 | 115 | 8.257433 | 1.152×104 | 3.20 | β− (54), IT |  |
| 857 | 90mY | 39 | 51 |  | 1.148×104 | 3.19 | IT, β− (tr) |  |
| 858 | 191Au | 79 | 112 | 8.248343 | 1.145×104 | 3.18 | β+ |  |
| 859 | 173Ta | 73 | 100 | 8.374218 | 1.130×104 | 3.14 | β+ |  |
| 860 | 112Ag | 47 | 65 | 8.844756 | 1.127×104 | 3.13 | β− |  |
| 861 | 247Cf | 98 | 149 | 7.803566 | 1.120×104 | 3.11 | β+, α (0.04) |  |
| 862 | 184Ir | 77 | 107 | 8.286599 | 1.112×104 | 3.09 | β+ |  |
| 863 | 190m3Ir | 77 | 113 |  | 1.111×104 | 3.09 | β+, IT (8.6) |  |
| 864 | 45Ti | 22 | 23 | 8.938121 | 1.109×104 | 3.08 | β+ |  |
| 865 | 167Ho | 67 | 100 | 8.444304 | 1.081×104 | 3.00 | β− |  |
| 866 | 134Sm | 62 | 72 |  | 1.048×104 | 2.91 | IT |  |
| 867 | 239Cm | 96 | 143 | 7.857143 | 1.044×104 | 2.90 | β+, α (tr) |  |
| 868 | 197Tl | 81 | 116 | 8.215190 | 1.022×104 | 2.84 | β+ |  |
| 869 | 88Kr | 36 | 52 | 8.976918 | 1.022×104 | 2.84 | β− |  |
| 870 | 38S | 16 | 22 | 8.778196 | 1.022×104 | 2.84 | β− |  |
| 871 | 87mSr | 38 | 49 |  | 1.013×104 | 2.82 | IT, EC (0.3) |  |
| 872 | 117Sb | 51 | 66 | 8.828977 | 1.008×104 | 2.80 | β+ |  |
| 873 | 224Ac | 89 | 135 | 7.980993 | 1.001×104 | 2.78 | β+, α (9.4), β−(<1.6) |  |
| 874 | 93Tc | 43 | 50 | 8.970274 | 9.900×103 | 2.75 | β+ |  |
| 875 | 85Y | 39 | 46 |  | 9.648×103 | 2.68 | β+ |  |
| 876 | 150Pm | 61 | 89 | 8.562014 | 9.648×103 | 2.68 | β− |  |
| 877 | 92Sr | 38 | 54 | 8.972067 | 9.576×103 | 2.66 | β− |  |
| 878 | 256Fm | 100 | 156 | 7.737398 | 9.456×103 | 2.63 | SF, α (8.1) |  |
| 879 | 31Si | 14 | 17 | 8.811618 | 9.438×103 | 2.62 | β− | CG |
| 880 | 56Mn | 25 | 31 | 9.087572 | 9.284×103 | 2.58 | β− |  |
| 881 | 65Ni | 28 | 37 | 9.073267 | 9.062×103 | 2.52 | β− |  |