W
Tungsten
Z 74 183.84 g/molTransition Metal
| 184W | 110 | 183.9509 | -45,705.5 | 30.64% | Stable | 0+ | α→180Hf | 1930 |
| 186W | 112 | 185.9544 | -42,508.6 | 28.43% | Stable | 0+ | β⁻ α→182Hf | 1930 |
| 182W | 108 | 181.9482 | -48,246.1 | 26.5% | Stable | 0+ | α→178Hf | 1930 |
| 183W | 109 | 182.9502 | -46,365.7 | 14.31% | Stable | 1/2- | α→179Hf | 1930 |
| 180W | 106 | 179.9467 | -49,636.2 | 0.12% | 1.59 Ey | 0+ | α→176Hf(100%) β⁺ | 1937 |
| 157W | 83 | 156.9789 | -19,690.0 | --- | 275.0 ms | (7/2-) | β⁺→157Ta(100%) | 2010 |
| 158W | 84 | 157.9746 | -23,690.0 | --- | 1.43 ms | 0+ | α→154Hf(100%) | 1981 |
| 158mW | 84 | 157.9766 | -21,800.0 | --- | 143.0 µs | (8+) | α→154Hf(100%) γ→158W | 1995 |
| 159W | 85 | 158.9727 | -25,430.0 | --- | 8.2 ms | (7/2-) | α→155Hf(100%) β⁺→159Ta | 1981 |
| 160W | 86 | 159.9685 | -29,330.0 | --- | 90.0 ms | 0+ | α→156Hf(87%) β⁺→160Ta | 1979 |
| 161W | 87 | 160.9672 | -30,510.0 | --- | 409.0 ms | (7/2-) | α→157Hf(73%) β⁺→161Ta(27%) | 1973 |
| 162W | 88 | 161.9635 | -33,999.0 | --- | 1.19 s | 0+ | α→158Hf(45.2%) β⁺→162Ta | 1973 |
| 163W | 89 | 162.9625 | -34,910.0 | --- | 2.63 s | 7/2- | α→159Hf(14%) β⁺→163Ta | 1973 |
| 163mW | 89 | 162.963 | -34,430.0 | --- | 154.0 ns | 13/2+ | γ→163W(100%) | 2010 |
| 164W | 90 | 163.959 | -38,236.0 | --- | 6.3 s | 0+ | β⁺→164Ta(96.2%) α→160Hf(3.8%) | 1973 |
| 165W | 91 | 164.9583 | -38,861.0 | --- | 5.1 s | (5/2-) | β⁺→165Ta(100%) α→161Hf | 1975 |
| 166W | 92 | 165.955 | -41,887.0 | --- | 19.2 s | 0+ | β⁺→166Ta(99.965%) α→162Hf(0.035%) | 1975 |
| 167W | 93 | 166.9548 | -42,093.0 | --- | 19.9 s | (5/2-) | β⁺→167Ta(99.96%) α→163Hf(0.04%) | 1985 |
| 167mW | 93 | 166.9549 | -41,967.0 | --- | --- | (13/2+) | γ→167W β⁺→167Ta | --- |
| 168W | 94 | 167.9518 | -44,893.0 | --- | 50.9 s | 0+ | β⁺→168Ta(~100%) α→164Hf(0.003%) | 1971 |
| 169W | 95 | 168.9518 | -44,918.0 | --- | 1.23 m | (5/2-) | β⁺→169Ta(100%) | 1985 |
| 170W | 96 | 169.9492 | -47,291.0 | --- | 2.42 m | 0+ | β⁺→170Ta(100%) | 1971 |
| 171W | 97 | 170.9495 | -47,086.0 | --- | 2.38 m | (5/2-) | β⁺→171Ta(100%) | 1983 |
| 172W | 98 | 171.9473 | -49,097.0 | --- | 6.6 m | 0+ | β⁺→172Ta(100%) | 1964 |
| 173W | 99 | 172.9477 | -48,727.0 | --- | 7.6 m | 5/2- | β⁺→173Ta(100%) | 1963 |
| 174W | 100 | 173.9461 | -50,227.0 | --- | 33.2 m | 0+ | β⁺→174Ta(100%) | 1964 |
| 174mW | 100 | 174.0 | 0.0 | --- | --- | --- | γ→174W(100%) | 1976 |
| 174nW | 100 | 174.0 | 0.0 | --- | 187.0 ns | --- | γ→174W(100%) | 1976 |
| 175W | 101 | 174.9467 | -49,633.0 | --- | 35.2 m | (1/2-) | β⁺→175Ta(100%) | 1963 |
| 175mW | 101 | 174.947 | -49,398.0 | --- | 216.0 ns | (7/2+) | γ→175W(100%) | 1978 |
| 176W | 102 | 175.9456 | -50,642.0 | --- | 2.5 h | 0+ | EC→176Ta(100%) | 1950 |
| 177W | 103 | 176.9466 | -49,702.0 | --- | 2.21 h | 1/2- | β⁺→177Ta(100%) | 1950 |
| 178W | 104 | 177.9459 | -50,407.0 | --- | 21.6 d | 0+ | EC→178Ta(100%) | 1950 |
| 178mW | 104 | 177.9529 | -43,834.0 | --- | 220.0 ns | 25+ | γ→178W(100%) | 1998 |
| 179W | 105 | 178.9471 | -49,295.0 | --- | 37.05 m | 7/2- | β⁺→179Ta(100%) | 1950 |
| 179mW | 105 | 178.9473 | -49,073.0 | --- | 6.4 m | 1/2- | γ→179W(~100%) β⁺→179Ta(0.29%) | 1950 |
| 179nW | 105 | 178.9488 | -47,663.0 | --- | 390.0 ns | 21/2+ | γ→179W(100%) | 1978 |
| 180mW | 106 | 179.9484 | -48,107.1 | --- | 5.47 ms | 8- | γ→180W(100%) | 1978 |
| 180nW | 106 | 179.9502 | -46,371.5 | --- | 2.33 µs | 14- | γ→180W(100%) | 1966 |
| 181W | 107 | 180.9482 | -48,233.9 | --- | 120.96 d | 9/2+ | EC→181Ta(100%) | 1947 |
| 181mW | 107 | 180.9486 | -47,868.4 | --- | 14.59 µs | 5/2- | γ→181W(100%) | 1968 |
| 181nW | 107 | 180.95 | -46,580.9 | --- | 200.0 ns | 21/2+ | γ→181W(100%) | 1973 |
| 182mW | 108 | 181.9506 | -46,015.5 | --- | 1.3 µs | 10+ | γ→182W(100%) | 1969 |
| 183mW | 109 | 182.9506 | -46,056.2 | --- | 5.3 s | 11/2+ | γ→183W(100%) | 1961 |
| 184mW | 110 | 183.9523 | -44,420.5 | --- | 8.33 µs | 5- | γ→184W(100%) | 1969 |
| 184nW | 110 | 183.9554 | -41,577.8 | --- | 188.0 ns | (14+) | γ→184W(100%) | 2004 |
| 185W | 111 | 184.9534 | -43,387.9 | --- | 75.1 d | 3/2- | β⁻→185Re(100%) | 1940 |
| 185mW | 111 | 184.9536 | -43,190.5 | --- | 1.6 m | 11/2+ | γ→185W(100%) | 1950 |
| 186mW | 112 | 185.956 | -40,991.4 | --- | 18.0 µs | 7- | γ→186W(100%) | 1998 |
| 186nW | 112 | 185.9582 | -38,965.8 | --- | 2.0 s | 16+ | γ→186W(100%) | 1998 |
| 187W | 113 | 186.9572 | -39,904.0 | --- | 23.81 h | 3/2- | β⁻→187Re(100%) | 1940 |
| 187mW | 113 | 186.9576 | -39,493.9 | --- | 1.38 µs | 11/2+ | γ→187W(100%) | 2008 |
| 188W | 114 | 187.9585 | -38,668.0 | --- | 69.77 d | 0+ | β⁻→188Re(100%) | 1951 |
| 188mW | 114 | 187.9606 | -36,741.0 | --- | 109.5 ns | 8- | γ→188W(100%) | 2010 |
| 189W | 115 | 188.9616 | -35,810.0 | --- | 11.6 m | (9/2-) | β⁻→189Re(100%) | 1963 |
| 190W | 116 | 189.9631 | -34,370.0 | --- | 30.0 m | 0+ | β⁻→190Re(100%) | 1976 |
| 190mW | 116 | 189.965 | -32,630.0 | --- | 111.0 ns | 8+ | γ→190W(100%) | 2010 |
| 190nW | 116 | 189.9651 | -32,530.0 | --- | 166.0 µs | 10- | γ→190W(100%) | 2000 |
| 191W | 117 | 190.9665 | -31,180.0 | --- | 14.0 s | (3/2-) | β⁻→191Re | 1999 |
| 191mW | 117 | 190.9668 | -30,950.0 | --- | 340.0 ns | (9/2-) | γ→191W(100%) | 2009 |
| 192W | 118 | 191.9682 | -29,620.0 | --- | 40.0 s | 0+ | β⁻→192Re | 1999 |
| 193W | 119 | 192.9719 | -26,190.0 | --- | 30.0 s | (1/2-) | β⁻→193Re | 2009 |
| 194W | 120 | 193.9738 | -24,410.0 | --- | 20.0 s | 0+ | β⁻→194Re | 2008 |
| 195W | 121 | 194.9777 | -20,740.0 | --- | 30.0 s | (3/2-) | β⁻→195Re | 2012 |
| 196W | 122 | 195.9799 | -18,740.0 | --- | 25.0 s | 0+ | β⁻→196Re | 2012 |
| 197W | 123 | 196.984 | -14,870.0 | --- | 1.0 s | (5/2-) | β⁻→197Re | 2012 |