| Nuc- lide | Atomic Mass | NN | Abun % | Spin | Half Life | DM | DT | BR % | Decay Energy (MeV) |
|---|---|---|---|---|---|---|---|---|---|
| W158 | 157.974 | 84 | Syn | 0+ | 0.9ms | α | Hf154 | 6.600 | |
| W159 | 158.972 | 85 | Syn | 7.3ms | α | Hf155 | ~99.5 | 6.440 | |
| 7.3ms | ε | Ta159 | ~0.05 | 8.700 | |||||
| W160 | 159.968 | 86 | Syn | 0+ | 91ms | α | Hf156 | 87 | 6.072 |
| W161 | 160.967 | 87 | Syn | 410ms | α | Hf157 | ~82 | 5.920 | |
| 410ms | ε | Ta161 | ~18 | 8.100 | |||||
| W162 | 161.963 | 88 | Syn | 0+ | 1.39s | ε | Ta162 | 53 | 5.770 |
| 1.39s | α | Hf158 | 47 | 5.674 | |||||
| W163 | 162.963 | 89 | Syn | 2.75s | ε | Ta163 | 59 | 7.700 | |
| 2.75s | α | Hf159 | 41 | 5.520 | |||||
| W164 | 163.959 | 90 | Syn | 0+ | 6s | ε | Ta164 | 97.4 | 5.000 |
| 6s | α | Hg160 | 2.6 | 5.279 | |||||
| W165 | 164.9583 | 91 | Syn | 5.1s | α | Hf161 | <0.2 | 5.030 | |
| 5.1s | ε | Ta165 | 7.010 | ||||||
| W166 | 165.955 | 92 | Syn | 0+ | 18.8s | ε | Ta166 | 99.97 | 4.200 |
| 18.8s | α | Hf162 | 0.04 | 4.857 | |||||
| W167 | 166.955 | 93 | Syn | 7/2- | 19.9s | α | Hf163 | 4.670 | |
| 19.9s | ε | Ta167 | 6.200 | ||||||
| W168 | 167.952 | 94 | Syn | 0+ | 53s | ε | Ta168 | ~100 | 3.800 |
| 53s | α | Hf164 | 0.0032 | 4.506 | |||||
| W169 | 168.952 | 95 | Syn | 5/2- | 76s | ε | Ta169 | 5.400 | |
| W170 | 169.949 | 96 | Syn | 0+ | 2.42m | ε | Ta170 | 3.000 | |
| W171 | 170.949 | 97 | Syn | 5/2- | 2.38m | ε | Ta171 | 4.600 | |
| W172 | 171.947 | 98 | Syn | 0+ | 6.6m | ε | Ta172 | 2.500 | |
| W173 | 172.948 | 99 | Syn | 5/2- | 7.6m | ε | Ta173 | 4.000 | |
| W174 | 173.946 | 100 | Syn | 0+ | 31m | ε | Ta174 | 1.900 | |
| W175 | 174.947 | 101 | Syn | 1/2- | 35.2m | ε | Ta175 | 2.910 | |
| W176 | 175.946 | 102 | Syn | 0+ | 2.5h | ε | Ta176 | 0.790 | |
| W177 | 176.947 | 103 | Syn | 1/2- | 135m | ε | Ta177 | 2.000 | |
| W178 | 177.946 | 104 | Syn | 0+ | 21.6d | ε | Ta178 | 0.091 | |
| W179 | 178.9471 | 105 | Syn | 7/2- | 37.05m | ε | Ta179 | 1.060 | |
| meta state 0.222MeV | Syn | 1/2- | 6.4m | IT | 99.72 | 0.222 | |||
| 6.4m | ε | Ta179 | 0.28 | 1.282 | |||||
| W180 | 179.9467 | 106 | 0.13 | 0+ | Stable | ||||
| meta state 1.529MeV | Syn | 8- | 5.47ms | IT | W180 | 1.529 | |||
| W181 | 180.9482 | 107 | Syn | 9/2+ | 121.2d | ε | Ta181 | 0.188 | |
| W182 | 181.9482 | 108 | 26.3 | 0+ | Stable | ||||
| W183 | 182.9502 | 109 | 14.3 | 1/2- | >1.1E 17y | ||||
| meta state 0.309MeV | Syn | 11/2+ | 5.2s | IT | 0.309 | ||||
| W184 | 183.9509 | 110 | 30.67 | 0+ | >3E 17y | α | Hf180 | ||
| W185 | 184.9534 | 111 | Syn | 3/2- | 75.1d | β- | Re185 | 0.433 | |
| meta state 0.197MeV | Syn | 11/2+ | 1.67m | IT | 0.197 | ||||
| W186 | 185.9544 | 112 | 28.6 | 0+ | Stable | ||||
| W187 | 186.9572 | 113 | Syn | 3/2- | 23.72h | β- | Re187 | 1.311 | |
| W188 | 187.9585 | 114 | Syn | 0+ | 69.4d | β- | Re188 | 0.349 | |
| W189 | 188.962 | 115 | Syn | 3/2- | 11.5m | β- | Re189 | 2.500 | |
| W190 | 189.963 | 116 | Syn | 0+ | 30m | β- | Re190 | 1.270 | |
| Nuclide | Potential Parent Nuclides |
|---|---|
| W158 | Os162 (Syn) |
| W159 | Os163 (Syn) Re160 (Syn) |
| W160 | Os164 (Syn) |
| W161 | Os165 (Syn) |
| W162 | Os166 (Syn) Re162 (Syn) |
| W163 | Os167 (Syn) Re163 (Syn) |
| W164 | Os168 (Syn) Re164 (Syn) |
| W165 | Os169 (Syn) Re165 (Syn) |
| W166 | Os170 (Syn) |
| W167 | Os171 (Syn) Re167 (Syn) |
| W168 | Os172 (Syn) Re168 (Syn) |
| W169 | Os173 (Syn) Re169 (Syn) |
| W170 | Os174 (Syn) Re170 (Syn) |
| W171 | Re171 (Syn) |
| W172 | Re172 (Syn) Re172m (Syn) |
| W173 | Re173 (Syn) |
| W174 | Re174 (Syn) |
| W175 | Re175 (Syn) |
| W176 | Re176 (Syn) |
| W177 | Re177 (Syn) |
| W178 | Re178 (Syn) |
| W179 | Re179 (Syn) |
| meta state 0.222MeV | None known |
| W180 | Re180 (Syn) Ta180 (Natural) Ta180m (Syn) W180m (Syn) |
| meta state 1.529MeV | None known |
| W181 | Re181 (Syn) |
| W182 | Os186 (Natural) Re182 (Syn) Re182m (Syn) Ta182 (Syn) |
| W183 | Re183 (Syn) Ta183 (Syn) |
| meta state 0.309MeV | None known |
| W184 | Re184 (Syn) Re184m (Syn) Ta184 (Syn) |
| W185 | Ta185 (Syn) |
| meta state 0.197MeV | None known |
| W186 | Re186 (Syn) Ta186 (Syn) |
| W187 | None known |
| W188 | None known |
| W189 | None known |
| W190 | None known |
Key:
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Kenneth Barbalace. Periodic Table of Elements - W - Tungsten. EnvironmentalChemistry.com. 1995 - 2024. Accessed on-line: 11/23/2024
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