鎢（原子量：183.84(1)）共有46個同位素，其中有5種在自然界出現，當中具有极长的半衰期，其他4种理论上具有放射性但是迄今为止尚未观测到。
圖表
|-
| 158W
| style="text-align:right" | 74
| style="text-align:right" | 84
| 157.97456(54)#
| 1.37(17) ms
|
| 154Hf
| 0+
|
|
|-
| style="text-indent:1em" | 158mW
| colspan="3" style="text-indent:2em" | 1889(8) keV
| 143(19) µs
|
|
| 8+
|
|
|-
| rowspan=2|159W
| rowspan=2 style="text-align:right" | 74
| rowspan=2 style="text-align:right" | 85
| rowspan=2|158.97292(43)#
| rowspan=2|8.2(7) ms
| (82%)
| 155Hf
| rowspan=2|7/2−#
| rowspan=2|
| rowspan=2|
|-
| (18%)
| 159Ta
|-
| rowspan=2|160W
| rowspan=2 style="text-align:right" | 74
| rowspan=2 style="text-align:right" | 86
| rowspan=2|159.96848(22)
| rowspan=2|90(5) ms
| (87%)
| 156Hf
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| (14%)
| 160Ta
|-
| rowspan=2|161W
| rowspan=2 style="text-align:right" | 74
| rowspan=2 style="text-align:right" | 87
| rowspan=2|160.96736(21)#
| rowspan=2|409(16) ms
| (73%)
| 157Hf
| rowspan=2|7/2−#
| rowspan=2|
| rowspan=2|
|-
| (23%)
| 161Ta
|-
| rowspan=2|162W
| rowspan=2 style="text-align:right" | 74
| rowspan=2 style="text-align:right" | 88
| rowspan=2|161.963497(19)
| rowspan=2|1.36(7) s
| (53%)
| 162Ta
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| (47%)
| 158Hf
|-
| rowspan=2|163W
| rowspan=2 style="text-align:right" | 74
| rowspan=2 style="text-align:right" | 89
| rowspan=2|162.96252(6)
| rowspan=2|2.8(2) s
| (59%)
| 163Ta
| rowspan=2|3/2−#
| rowspan=2|
| rowspan=2|
|-
| (41%)
| 159Hf
|-
| rowspan=2|164W
| rowspan=2 style="text-align:right" | 74
| rowspan=2 style="text-align:right" | 90
| rowspan=2|163.958954(13)
| rowspan=2|6.3(2) s
| (97.4%)
| 164Ta
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| (2.6%)
| 160Hf
|-
| rowspan=2|165W
| rowspan=2 style="text-align:right" | 74
| rowspan=2 style="text-align:right" | 91
| rowspan=2|164.958280(27)
| rowspan=2|5.1(5) s
| (99.8%)
| 165Ta
| rowspan=2|3/2−#
| rowspan=2|
| rowspan=2|
|-
| (.2%)
| 161Hf
|-
| rowspan=2|166W
| rowspan=2 style="text-align:right" | 74
| rowspan=2 style="text-align:right" | 92
| rowspan=2|165.955027(11)
| rowspan=2|19.2(6) s
| (99.96%)
| 166Ta
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| (.035%)
| 162Hf
|-
| rowspan=2|167W
| rowspan=2 style="text-align:right" | 74
| rowspan=2 style="text-align:right" | 93
| rowspan=2|166.954816(21)
| rowspan=2|19.9(5) s
| (>99.9%)
| 167Ta
| rowspan=2|3/2−#
| rowspan=2|
| rowspan=2|
|-
| (163Hf
|-
| rowspan=2|168W
| rowspan=2 style="text-align:right" | 74
| rowspan=2 style="text-align:right" | 94
| rowspan=2|167.951808(17)
| rowspan=2|51(2) s
| (99.99%)
| 168Ta
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| (.0319%)
| 164Hf
|-
| 169W
| style="text-align:right" | 74
| style="text-align:right" | 95
| 168.951779(17)
| 76(6) s
|
| 169Ta
| (5/2−)
|
|
|-
| rowspan=2|170W
| rowspan=2 style="text-align:right" | 74
| rowspan=2 style="text-align:right" | 96
| rowspan=2|169.949228(16)
| rowspan=2|2.42(4) min
| (99%)
| 170Ta
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| (1%)
| 166Hf
|-
| 171W
| style="text-align:right" | 74
| style="text-align:right" | 97
| 170.94945(3)
| 2.38(4) min
|
| 171Ta
| (5/2−)
|
|
|-
| 172W
| style="text-align:right" | 74
| style="text-align:right" | 98
| 171.94729(3)
| 6.6(9) min
|
| 172Ta
| 0+
|
|
|-
| 173W
| style="text-align:right" | 74
| style="text-align:right" | 99
| 172.94769(3)
| 7.6(2) min
|
| 173Ta
| 5/2−
|
|
|-
| 174W
| style="text-align:right" | 74
| style="text-align:right" | 100
| 173.94608(3)
| 33.2(21) min
|
| 174Ta
| 0+
|
|
|-
| 175W
| style="text-align:right" | 74
| style="text-align:right" | 101
| 174.94672(3)
| 35.2(6) min
|
| 175Ta
| (1/2−)
|
|
|-
| 176W
| style="text-align:right" | 74
| style="text-align:right" | 102
| 175.94563(3)
| 2.5(1) h
|
| 176Ta
| 0+
|
|
|-
| 177W
| style="text-align:right" | 74
| style="text-align:right" | 103
| 176.94664(3)
| 132(2) min
|
| 177Ta
| 1/2−
|
|
|-
| 178W
| style="text-align:right" | 74
| style="text-align:right" | 104
| 177.945876(16)
| 21.6(3) d
|
| 178Ta
| 0+
|
|
|-
| 179W
| style="text-align:right" | 74
| style="text-align:right" | 105
| 178.947070(17)
| 37.05(16) min
|
| 179Ta
| (7/2)−
|
|
|-
| rowspan=2 style="text-indent:1em" | 179m1W
| rowspan=2 colspan="3" style="text-indent:2em" | 221.926(8) keV
| rowspan=2|6.40(7) min
| IT (99.72%)
| 179W
| rowspan=2|(1/2)−
| rowspan=2|
| rowspan=2|
|-
| (.28%)
| 179Ta
|-
| style="text-indent:1em" | 179m2W
| colspan="3" style="text-indent:2em" | 1631.90(8) keV
| 390(30) ns
|
|
| (21/2+)
|
|
|-
| style="text-indent:1em" | 179m3W
| colspan="3" style="text-indent:2em" | 3348.45(16) keV
| 750(80) ns
|
|
| (35/2−)
|
|
|-
| 180W
| style="text-align:right" | 74
| style="text-align:right" | 106
| 179.946704(4)
| 1.8(0.2)×1018 y
|
| 176Hf
| 0+
| 0.0012(1)
|
|-
| style="text-indent:1em" | 180m1W
| colspan="3" style="text-indent:2em" | 1529.04(3) keV
| 5.47(9) ms
| IT
| 180W
| 8−
|
|
|-
| style="text-indent:1em" | 180m2W
| colspan="3" style="text-indent:2em" | 3264.56(21) keV
| 2.33(19) µs
|
|
| 14−
|
|
|-
| 181W
| style="text-align:right" | 74
| style="text-align:right" | 107
| 180.948197(5)
| 121.2(2) d
|
| 181Ta
| 9/2+
|
|
|-
| 182W
| style="text-align:right" | 74
| style="text-align:right" | 108
| 181.9482042(9)
| colspan=3 align=center|觀測上穩定
| 0+
| 0.2650(16)
|
|-
| 183W
| style="text-align:right" | 74
| style="text-align:right" | 109
| 182.9502230(9)
| colspan=3 align=center|觀測上穩定
| 1/2−
| 0.1431(4)
|
|-
| style="text-indent:1em" | 183mW
| colspan="3" style="text-indent:2em" | 309.493(3) keV
| 5.2(3) s
| IT
| 183W
| 11/2+
|
|
|-
| 184W
| style="text-align:right" | 74
| style="text-align:right" | 110
| 183.9509312(9)
| colspan=3 align=center|觀測上穩定
| 0+
| 0.3064(2)
|
|-
| 185W
| style="text-align:right" | 74
| style="text-align:right" | 111
| 184.9534193(10)
| 75.1(3) d
|
| 185Re
| 3/2−
|
|
|-
| style="text-indent:1em" | 185mW
| colspan="3" style="text-indent:2em" | 197.43(5) keV
| 1.597(4) min
| IT
| 185W
| 11/2+
|
|
|-
| 186W
| style="text-align:right" | 74
| style="text-align:right" | 112
| 185.9543641(19)
| colspan=3 align=center|觀測上穩定
| 0+
| 0.2843(19)
|
|-
| style="text-indent:1em" | 186m1W
| colspan="3" style="text-indent:2em" | 1517.2(6) keV
| 18(1) µs
|
|
| (7−)
|
|
|-
| style="text-indent:1em" | 186m2W
| colspan="3" style="text-indent:2em" | 3542.8(21) keV
| >3 ms
|
|
| (16+)
|
|
|-
| 187W
| style="text-align:right" | 74
| style="text-align:right" | 113
| 186.9571605(19)
| 23.72(6) h
|
| 187Re
| 3/2−
|
|
|-
| 188W
| style="text-align:right" | 74
| style="text-align:right" | 114
| 187.958489(4)
| 69.78(5) d
|
| 188Re
| 0+
|
|
|-
| 189W
| style="text-align:right" | 74
| style="text-align:right" | 115
| 188.96191(21)
| 11.6(3) min
|
| 189Re
| (3/2−)
|
|
|-
| 190W
| style="text-align:right" | 74
| style="text-align:right" | 116
| 189.96318(18)
| 30.0(15) min
|
| 190Re
| 0+
|
|
|-
| style="text-indent:1em" | 190mW
| colspan="3" style="text-indent:2em" | 2381(5) keV
| 191W
| style="text-align:right" | 74
| style="text-align:right" | 117
| 190.96660(21)#
| 20# s
[>300 ns]
|
|
| 3/2−#
|
|
|-
| 192W
| style="text-align:right" | 74
| style="text-align:right" | 118
| 191.96817(64)#
| 10# s
[>300 ns]
|
|
| 0+
|
|
|}
参考文獻
- Isotope masses from [https://web.archive.org/web/20080923134436/http://www.nndc.bnl.gov/amdc/index.html Ame2003 Atomic Mass Evaluation] by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
- Isotopic compositions and standard atomic masses from [http://www.iupac.org/publications/pac/2003/7506/7506x0683.html Atomic weights of the elements. Review 2000 (IUPAC Technical Report)] . Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and [http://www.iupac.org/news/archives/2005/atomic-weights_revised05.html Atomic Weights Revised (2005)] .
- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
** Audi, Bersillon, Blachot, Wapstra. [http://amdc.in2p3.fr/web/nubase_en.html The Nubase2003 evaluation of nuclear and decay properties] , Nuc. Phys. A 729, pp. 3-128 (2003).
** National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the [http://www.nndc.bnl.gov/nudat2/ NuDat 2.1 database] (retrieved Sept. 2005).
* David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition*, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.
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