Sb
Antimony
Z 51 121.76 g/molMetalloid
| 121Sb | 70 | 120.9038 | -89,599.2 | 57.21% | Stable | 5/2+ | --- | 1922 |
| 123Sb | 72 | 122.9042 | -89,222.9 | 42.79% | Stable | 7/2+ | --- | 1922 |
| 102Sb | 51 | 101.9451 | -51,100.0 | --- | --- | --- | p→101Sn | --- |
| 103Sb | 52 | 102.9392 | -56,670.0 | --- | --- | (5/2+) | p→102Sn | 2010 |
| 104Sb | 53 | 103.9363 | -59,300.0 | --- | 470.0 ms | --- | β⁺p→103In(<7%) p→103Sn(<7%) β⁺→104Sn α→100In | 1995 |
| 105Sb | 54 | 104.9313 | -64,015.0 | --- | 1.12 s | (5/2+) | β⁺→105Sn(~100%) p→104Sn(<0.1%) β⁺p→104In | 1994 |
| 106Sb | 55 | 105.9286 | -66,473.0 | --- | 600.0 ms | (2+) | β⁺→106Sn(100%) | 1981 |
| 106mSb | 55 | 105.9287 | -66,370.0 | --- | 226.0 ns | (4+) | γ→106Sb(100%) | 1998 |
| 107Sb | 56 | 106.9242 | -70,653.0 | --- | 4.0 s | (5/2+) | β⁺→107Sn(100%) | 1994 |
| 108Sb | 57 | 107.9222 | -72,445.0 | --- | 7.4 s | (4+) | β⁺→108Sn(100%) | 1976 |
| 109Sb | 58 | 108.9181 | -76,251.0 | --- | 17.2 s | (5/2+) | β⁺→109Sn(100%) | 1976 |
| 110Sb | 59 | 109.9169 | -77,450.0 | --- | 23.6 s | (3+) | β⁺→110Sn(100%) | 1972 |
| 111Sb | 60 | 110.9132 | -80,837.0 | --- | 1.25 m | (5/2+) | β⁺→111Sn(100%) | 1972 |
| 112Sb | 61 | 111.9124 | -81,599.0 | --- | 53.5 s | (3+) | β⁺→112Sn(100%) | 1959 |
| 112mSb | 61 | 111.9133 | -80,773.0 | --- | 536.0 ns | (8-) | γ→112Sb(100%) | 1976 |
| 113Sb | 62 | 112.9094 | -84,417.0 | --- | 6.67 m | 5/2+ | β⁺→113Sn(100%) | 1958 |
| 114Sb | 63 | 113.9093 | -84,497.0 | --- | 3.49 m | 3+ | β⁺→114Sn(100%) | 1959 |
| 114mSb | 63 | 113.9098 | -84,002.0 | --- | 219.0 µs | (8-) | γ→114Sb(100%) | 1973 |
| 115Sb | 64 | 114.9066 | -87,003.0 | --- | 32.1 m | 5/2+ | β⁺→115Sn(100%) | 1958 |
| 115mSb | 64 | 114.9096 | -84,207.0 | --- | 159.0 ns | (19/2-) | γ→115Sb(100%) | 1977 |
| 116Sb | 65 | 115.9068 | -86,822.0 | --- | 15.8 m | 3+ | β⁺→116Sn(100%) | 1949 |
| 116mSb | 65 | 115.9069 | -86,728.0 | --- | 194.0 ns | 1+ | γ→116Sb(100%) | 1976 |
| 116nSb | 65 | 115.9072 | -86,440.0 | --- | 1.0 h | 8- | β⁺→116Sn(100%) | 1949 |
| 117Sb | 66 | 116.9048 | -88,640.0 | --- | 2.97 h | 5/2+ | β⁺→117Sn(100%) | 1947 |
| 117mSb | 66 | 116.9082 | -85,509.0 | --- | 355.0 µs | (25/2+) | γ→117Sb(100%) | 1970 |
| 117nSb | 66 | 116.9083 | -85,409.0 | --- | 290.0 ns | (23/2-) | γ→117Sb(100%) | 1987 |
| 118Sb | 67 | 117.9055 | -87,996.0 | --- | 3.6 m | 1+ | β⁺→118Sn(100%) | 1947 |
| 118mSb | 67 | 117.9056 | -87,945.0 | --- | 20.6 µs | 3+ | γ→118Sb(100%) | 1975 |
| 118nSb | 67 | 117.9058 | -87,746.0 | --- | 5.01 h | 8- | β⁺→118Sn(100%) | 1947 |
| 119Sb | 68 | 118.9039 | -89,476.0 | --- | 1.59 d | 5/2+ | EC→119Sn(100%) | 1947 |
| 119mSb | 68 | 118.9067 | -86,922.0 | --- | 130.0 ns | 19/2- | γ→119Sb(100%) | 1991 |
| 119nSb | 68 | 118.907 | -86,634.0 | --- | 835.0 ms | 25/2+ | γ→119Sb(100%) | 1979 |
| 120Sb | 69 | 119.9051 | -88,417.0 | --- | 15.89 m | 1+ | β⁺→120Sn(100%) | 1937 |
| 120mSb | 69 | 119.9051 | -88,420.0 | --- | 5.76 d | 8- | β⁺→120Sn(100%) | 1958 |
| 120nSb | 69 | 119.9052 | -88,339.0 | --- | 246.0 ns | (3+) | γ→120Sb(100%) | 1976 |
| 121mSb | 70 | 120.9068 | -86,848.0 | --- | 179.0 µs | (25/2+) | γ→121Sb(100%) | 2008 |
| 122Sb | 71 | 121.9052 | -88,334.2 | --- | 2.72 d | 2- | β⁻→122Te(97.59%) β⁺→122Sn(2.41%) | 1939 |
| 122mSb | 71 | 121.9052 | -88,272.8 | --- | 1.86 µs | 3+ | γ→122Sb(100%) | 1962 |
| 122nSb | 71 | 121.9053 | -88,196.7 | --- | 530.0 µs | 5+ | γ→122Sb(100%) | 1963 |
| 123mSb | 72 | 122.9066 | -86,985.1 | --- | 214.0 ns | 19/2- | γ→123Sb(100%) | 2005 |
| 123nSb | 72 | 122.907 | -86,609.5 | --- | 65.0 µs | 23/2+ | γ→123Sb(100%) | 2007 |
| 124Sb | 73 | 123.9059 | -87,619.1 | --- | 60.2 d | 3- | β⁻→124Te(100%) | 1939 |
| 124mSb | 73 | 123.9059 | -87,608.2 | --- | 1.55 m | 5+ | γ→124Sb(75%) β⁻→124Te(25%) | 1947 |
| 124nSb | 73 | 123.906 | -87,582.3 | --- | 20.2 m | (8-) | γ→124Sb(100%) | 1947 |
| 125Sb | 74 | 124.9053 | -88,255.1 | --- | 2.76 y | 7/2+ | β⁻→125Te(100%) | 1951 |
| 125mSb | 74 | 124.9074 | -86,283.9 | --- | 4.1 µs | 15/2- | γ→125Sb(100%) | 2007 |
| 125nSb | 74 | 124.9075 | -86,143.0 | --- | 28.5 µs | 19/2- | γ→125Sb(100%) | 2007 |
| 126Sb | 75 | 125.9073 | -86,390.0 | --- | 12.35 d | 8- | β⁻→126Te(100%) | 1956 |
| 126mSb | 75 | 125.9073 | -86,370.0 | --- | 19.15 m | 5+ | β⁻→126Te(86%) γ→126Sb(14%) | 1956 |
| 126nSb | 75 | 125.9073 | -86,350.0 | --- | --- | 3- | γ→126Sb(100%) | 1976 |
| 127Sb | 76 | 126.9069 | -86,698.0 | --- | 3.85 d | 7/2+ | β⁻→127Te(100%) | 1939 |
| 127mSb | 76 | 126.909 | -84,778.0 | --- | 11.7 µs | 15/2- | γ→127Sb(100%) | 1974 |
| 127nSb | 76 | 126.9094 | -84,373.0 | --- | 269.0 ns | 23/2+ | γ→127Sb(100%) | 2005 |
| 128Sb | 77 | 127.9091 | -84,630.0 | --- | 9.05 h | 8- | β⁻→128Te(100%) | 1956 |
| 128mSb | 77 | 127.9092 | -84,620.0 | --- | 10.41 m | 5+ | β⁻→128Te(96.4%) γ→128Sb(3.6%) | 1955 |
| 128nSb | 77 | 127.9109 | -83,013.0 | --- | 500.0 ns | (11+) | γ→128Sb(100%) | 2019 |
| 129Sb | 78 | 128.9091 | -84,629.0 | --- | 4.37 h | 7/2+ | β⁻→129Te(100%) | 1939 |
| 129mSb | 78 | 128.9111 | -82,778.0 | --- | 17.7 m | 19/2- | β⁻→129Te(85%) γ→129Sb(15%) | 1982 |
| 129nSb | 78 | 128.9111 | -82,768.0 | --- | 2.23 µs | 15/2- | γ→129Sb(100%) | 1987 |
| 130Sb | 79 | 129.9117 | -82,286.0 | --- | 39.5 m | 8- | β⁻→130Te(100%) | 1962 |
| 130mSb | 79 | 129.9117 | -82,281.0 | --- | 6.3 m | 4+ | β⁻→130Te(100%) | 1962 |
| 130nSb | 79 | 129.9118 | -82,201.0 | --- | 800.0 ns | 6- | γ→130Sb(100%) | 2002 |
| 131Sb | 80 | 130.912 | -81,981.4 | --- | 23.03 m | 7/2+ | β⁻→131Te(100%) | 1956 |
| 131mSb | 80 | 130.9138 | -80,305.3 | --- | 64.2 µs | 15/2- | γ→131Sb(100%) | 1969 |
| 131nSb | 80 | 130.9138 | -80,294.2 | --- | 4.3 µs | 19/2- | γ→131Sb(100%) | 2000 |
| 132Sb | 81 | 131.9145 | -79,635.3 | --- | 2.79 m | (4+) | β⁻→132Te(100%) | 1956 |
| 132mSb | 81 | 131.9147 | -79,490.0 | --- | 4.1 m | (8-) | β⁻→132Te(100%) | 1956 |
| 132nSb | 81 | 131.9148 | -79,380.8 | --- | 102.0 ns | (6-) | γ→132Sb(100%) | 1974 |
| 133Sb | 82 | 132.9153 | -78,924.0 | --- | 2.34 m | (7/2+) | β⁻→133Te(100%) | 1966 |
| 133mSb | 82 | 132.9201 | -74,383.0 | --- | 16.54 µs | (21/2+) | γ→133Sb(100%) | 1978 |
| 134Sb | 83 | 133.9205 | -74,019.0 | --- | 674.0 ms | (0-) | β⁻→134Te(100%) β⁻n→133Te | 1967 |
| 134mSb | 83 | 133.9208 | -73,740.0 | --- | 10.01 s | (7-) | β⁻→134Te(99.912%) β⁻n→133Te(0.088%) | 1968 |
| 135Sb | 84 | 134.9252 | -69,690.3 | --- | 1.67 s | (7/2+) | β⁻→135Te(80.9%) β⁻n→134Te(19.1%) | 1964 |
| 136Sb | 85 | 135.9307 | -64,507.0 | --- | 923.0 ms | (1-) | β⁻→136Te(75.16%) β⁻n→135Te(24.7%) β⁻n→134Te(0.14%) | 1976 |
| 136mSb | 85 | 135.931 | -64,238.0 | --- | 570.0 ns | (6-) | γ→136Sb(100%) | 2001 |
| 137Sb | 86 | 136.9355 | -60,060.0 | --- | 497.0 ms | (7/2+) | β⁻→137Te(51%) β⁻n→136Te(49%) β⁻n→135Te | 1994 |
| 138Sb | 87 | 137.9413 | -54,650.0 | --- | 333.0 ms | (3-) | β⁻n→137Te(72%) β⁻→138Te(28%) β⁻n→136Te | 1994 |
| 139Sb | 88 | 138.9463 | -50,050.0 | --- | 182.0 ms | (7/2+) | β⁻n→138Te(90%) β⁻→139Te(10%) β⁻n→137Te | 1994 |
| 140Sb | 89 | 139.9523 | -44,390.0 | --- | 170.0 ms | (3-) | β⁻→140Te(69.4%) β⁻n→139Te(23%) β⁻n→138Te(7.6%) | 2010 |
| 140mSb | 89 | 139.9527 | -44,060.0 | --- | 41.0 µs | (6-) | γ→140Sb(100%) | 2016 |
| 141Sb | 90 | 140.9576 | -39,540.0 | --- | 103.0 ms | (7/2+) | β⁻→141Te(100%) β⁻n→140Te β⁻n→139Te | 2018 |
| 142Sb | 91 | 141.9639 | -33,610.0 | --- | 80.0 ms | --- | β⁻→142Te(100%) β⁻n→141Te β⁻n→140Te | 2018 |