Os
Осмій
Z 76 190,23 г/мольПерехідний метал
| 192Os | 116 | 191,9615 | -35 882,3 | 40,78% | Стабільний | 0+ | β⁻ α→188W | 1931 |
| 190Os | 114 | 189,9584 | -38 707,8 | 26,26% | Стабільний | 0+ | α→186W | 1931 |
| 189Os | 113 | 188,9581 | -38 986,8 | 16,15% | Стабільний | 3/2- | α→185W | 1931 |
| 188Os | 112 | 187,9558 | -41 137,3 | 13,24% | Стабільний | 0+ | α→184W | 1931 |
| 187Os | 111 | 186,9557 | -41 219,0 | 1,96% | Стабільний | 1/2- | α→183W | 1931 |
| 186Os | 110 | 185,9538 | -43 000,0 | 1,59% | 2,0 Пр | 0+ | α→182W(100%) | 1931 |
| 184Os | 108 | 183,9525 | -44 252,6 | 0,02% | 11,2 Тр | 0+ | α→180W β⁺ | 1937 |
| 161Os | 85 | 160,989 | -10 200,0 | --- | 640,0 мкс | (7/2-) | α→157W(100%) | 2010 |
| 162Os | 86 | 161,9844 | -14 500,0 | --- | 2,1 мс | 0+ | α→158W(100%) | 1989 |
| 163Os | 87 | 162,9825 | -16 340,0 | --- | 5,7 мс | 7/2- | α→159W(100%) β⁺→163Re | 1981 |
| 164Os | 88 | 163,9781 | -20 420,0 | --- | 21,0 мс | 0+ | α→160W(96%) β⁺→164Re | 1981 |
| 165Os | 89 | 164,9767 | -21 750,0 | --- | 71,0 мс | (7/2-) | α→161W(90%) β⁺→165Re(10%) | 1978 |
| 166Os | 90 | 165,9727 | -25 432,0 | --- | 213,0 мс | 0+ | α→162W(83%) β⁺→166Re(17%) | 1977 |
| 167Os | 91 | 166,9716 | -26 500,0 | --- | 839,0 мс | 7/2- | α→163W(51%) β⁺→167Re | 1977 |
| 167mOs | 91 | 166,972 | -26 070,0 | --- | 672,0 нс | 13/2+ | γ→167Os(100%) | 2009 |
| 168Os | 92 | 167,9678 | -29 995,0 | --- | 2,1 с | 0+ | β⁺→168Re(57%) α→164W(43%) | 1977 |
| 169Os | 93 | 168,967 | -30 723,0 | --- | 3,46 с | (5/2-) | β⁺→169Re(86,3%) α→165W(13,7%) | 1972 |
| 170Os | 94 | 169,9636 | -33 926,0 | --- | 7,37 с | 0+ | β⁺→170Re(90,5%) α→166W(9,5%) | 1972 |
| 171Os | 95 | 170,9632 | -34 297,0 | --- | 8,3 с | (5/2-) | α→167W(1,8%) β⁺→171Re | 1972 |
| 172Os | 96 | 171,96 | -37 244,0 | --- | 19,2 с | 0+ | β⁺→172Re(98,81%) α→168W(1,19%) | 1971 |
| 173Os | 97 | 172,9598 | -37 438,0 | --- | 22,4 с | 5/2- | β⁺→173Re(99,6%) α→169W(0,4%) | 1971 |
| 174Os | 98 | 173,9571 | -39 995,0 | --- | 44,0 с | 0+ | β⁺→174Re(~100%) α→170W(0,024%) | 1971 |
| 175Os | 99 | 174,9569 | -40 105,0 | --- | 1,4 хв | (5/2-) | β⁺→175Re(100%) | 1972 |
| 176Os | 100 | 175,9548 | -42 131,0 | --- | 3,6 хв | 0+ | β⁺→176Re(100%) | 1970 |
| 177Os | 101 | 176,955 | -41 956,0 | --- | 3,0 хв | 1/2- | β⁺→177Re(100%) | 1970 |
| 178Os | 102 | 177,9533 | -43 544,0 | --- | 5,0 хв | 0+ | β⁺→178Re(100%) | 1967 |
| 179Os | 103 | 178,9538 | -43 020,0 | --- | 6,5 хв | 1/2- | β⁺→179Re(100%) | 1968 |
| 179mOs | 103 | 178,954 | -42 875,0 | --- | 500,0 нс | (7/2-) | γ→179Os(100%) | 1983 |
| 179nOs | 103 | 178,9541 | -42 777,0 | --- | 783,0 нс | (9/2+) | γ→179Os(100%) | 1983 |
| 180Os | 104 | 179,9524 | -44 356,0 | --- | 21,5 хв | 0+ | β⁺→180Re(100%) | 1967 |
| 181Os | 105 | 180,9532 | -43 550,0 | --- | 1,75 год | 1/2- | β⁺→181Re(100%) | 1966 |
| 181mOs | 105 | 180,9533 | -43 501,0 | --- | 2,7 хв | 7/2- | β⁺→181Re(100%) | 1966 |
| 181nOs | 105 | 180,9534 | -43 393,0 | --- | 262,0 нс | 9/2+ | γ→181Os(100%) | 1974 |
| 182Os | 106 | 181,9521 | -44 609,0 | --- | 21,84 год | 0+ | EC→182Re(100%) | 1950 |
| 182mOs | 106 | 181,9541 | -42 778,0 | --- | 780,0 мкс | 8- | γ→182Os(100%) | 1966 |
| 182nOs | 106 | 181,9597 | -37 560,0 | --- | 150,0 нс | 25+ | γ→182Os(100%) | 1988 |
| 183Os | 107 | 182,9531 | -43 660,0 | --- | 13,0 год | 9/2+ | β⁺→183Re(100%) | 1950 |
| 183mOs | 107 | 182,9533 | -43 490,0 | --- | 9,9 год | 1/2- | β⁺→183Re(85%) γ→183Os(15%) | 1958 |
| 185Os | 109 | 184,954 | -42 805,9 | --- | 92,95 д | 1/2- | EC→185Re(100%) | 1947 |
| 185mOs | 109 | 184,9542 | -42 703,5 | --- | 3,0 мкс | 7/2- | γ→185Os(100%) | 1970 |
| 185nOs | 109 | 184,9543 | -42 530,4 | --- | 780,0 нс | 11/2+ | γ→185Os(100%) | 1970 |
| 187mOs | 111 | 186,9559 | -41 118,6 | --- | 112,0 нс | 7/2- | γ→187Os(100%) | 1964 |
| 187nOs | 111 | 186,956 | -40 961,9 | --- | 231,0 мкс | 11/2+ | γ→187Os(100%) | 1964 |
| 189mOs | 113 | 188,9582 | -38 956,0 | --- | 5,81 год | 9/2- | γ→189Os(100%) β⁻→189Ir | 1960 |
| 190mOs | 114 | 189,9603 | -37 002,1 | --- | 9,86 хв | 10- | γ→190Os(100%) | 1950 |
| 191Os | 115 | 190,9609 | -36 395,2 | --- | 14,99 д | 9/2- | β⁻→191Ir(100%) | 1940 |
| 191mOs | 115 | 190,961 | -36 320,8 | --- | 13,1 год | 3/2- | γ→191Os(100%) | 1952 |
| 192mOs | 116 | 191,9636 | -33 866,9 | --- | 5,94 с | 10- | γ→192Os(100%) β⁻→192Ir | 1965 |
| 192nOs | 116 | 191,9664 | -31 302,0 | --- | 205,0 нс | (20+) | γ→192Os(100%) | 2004 |
| 193Os | 117 | 192,9641 | -33 394,4 | --- | 1,24 д | 3/2- | β⁻→193Ir(100%) | 1940 |
| 193mOs | 117 | 192,9645 | -33 078,8 | --- | 121,0 нс | (9/2-) | γ→193Os(100%) | 2011 |
| 194Os | 118 | 193,9652 | -32 435,2 | --- | 6,0 р | 0+ | β⁻→194Ir(100%) | 1951 |
| 195Os | 119 | 194,9683 | -29 510,0 | --- | 6,5 хв | (3/2-) | β⁻→195Ir(100%) | 2004 |
| 195mOs | 119 | 194,9688 | -29 080,0 | --- | 47,0 с | (13/2+) | γ→195Os(100%) β⁻→195Ir | 2012 |
| 196Os | 120 | 195,9696 | -28 280,0 | --- | 34,9 хв | 0+ | β⁻→196Ir(100%) | 1977 |
| 197Os | 121 | 196,9731 | -25 080,0 | --- | 1,55 хв | (5/2-) | β⁻→197Ir(100%) | 2003 |
| 197mOs | 121 | 196,9736 | -24 580,0 | --- | --- | (13/2+) | γ→197Os β⁻→197Ir | --- |
| 198Os | 122 | 197,9747 | -23 600,0 | --- | 2,08 хв | 0+ | β⁻→198Ir(100%) | 2008 |
| 199Os | 123 | 198,9782 | -20 270,0 | --- | 6,0 с | (5/2-) | β⁻→199Ir(100%) | 2008 |
| 200Os | 124 | 199,9801 | -18 550,0 | --- | 7,0 с | 0+ | β⁻→200Ir(100%) | 2005 |
| 201Os | 125 | 200,9841 | -14 840,0 | --- | 3,0 с | (1/2-) | β⁻→201Ir | 2009 |
| 202Os | 126 | 201,9865 | -12 530,0 | --- | 2,0 с | 0+ | β⁻→202Ir | 2009 |
| 203Os | 127 | 202,9922 | -7 270,0 | --- | 300,0 мс | (9/2+) | β⁻→203Ir β⁻n→202Ir | 2012 |