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Isotopes of Mercury (Z=80)

Click on an isotope to get more information about its decay
Isotope Half-life Spin Parity Decay Mode(s) or Abundance
175Hg 20 ms %A=100
176Hg 18 ms0+ %A ~ 100
177Hg 0.130 s %A=85, %EC+%B+=15
178Hg 266 ms0+ %EC+%B+=?, %A ~ 100
179Hg 1.09 s %EC+%B+ ~ 47, %A ~ 53, %ECP ~ 0.15
180Hg 2.8 s 0+ %EC+%B+=52 4, %A=48 4
181Hg 3.6 s 1/2(-) %EC+%B+=64 4, %A=36 4, %ECP=0.014 4, %ECA=9E-6 3
182Hg 10.83 s 0+ %EC+%B+=84.8 8, %A=15.2 8
183Hg 9.4 s 1/2- %EC+%B+=88.3 20, %A=11.7 20, %ECP=0.00056 8
184Hg 30.9 s 0+ %EC+%B+=98.74 20, %A=1.26 20
185Hg 49.1 s1/2- %EC+%B+=94 1, %A=6 1
185m1Hg 21.6 s13/2+ %IT=54 10, %EC+%B+=46 10, %A ~ 0.03
186Hg 1.38 m 0+ %EC+%B+=99.982 5, %A=0.018 5
187Hg 2.4 m 13/2+ %EC+%B+=100, %A>1.2E-4
187m1Hg 1.9 m 3/2- %EC+%B+=100, %A>2.5E-4 10
188Hg 3.25 m 0+ %EC+%B+=100, %A=4.0E-5 8
189Hg 7.6 m 3/2- %EC+%B+=100, %A < 3E-5
189m1Hg 8.6 m 13/2+ %EC+%B+=100, %A < 3E-5
190Hg 20.0 m0+ %EC+%B+=100, %A < 5E-5
191Hg 49 m(3/2-) %EC+%B+=100
191m1Hg 50.8 m13/2+ %EC+%B+=100
192Hg 4.85 h 0+ %EC=100, %A < 4E-6
193Hg 3.80 h 3/2- %EC+%B+=100
193m1Hg 11.8 h 13/2+ %EC+%B+=92.8 5, %IT=7.2 5
194Hg 444 y 0+ %EC=100
195Hg 9.9 h1/2- %EC+%B+=100
195m1Hg 41.6 h13/2+ %IT=54.2 20, %EC+%B+=45.8 20
196Hg stable 0+ %Abundance=0.15 1
197Hg 64.14 h1/2- %EC=100
197m1Hg 23.8 h13/2+ %EC=8.6 7, %IT=91.4 7
198Hg stable0+ %Abundance=9.97 8
199Hg stable 1/2- %Abundance=16.87 10
199m1Hg 42.6 m 13/2+ %IT=100
200Hg stable 0+ %Abundance=23.10 16
201Hg stable 3/2- %Abundance=13.18 8
202Hg stable 0+ %Abundance=29.86 20
203Hg 46.612 d 5/2- %B-=100
204Hg stable 0+ %Abundance=6.87 4
205Hg 5.2 m 1/2- %B-=100
205m1Hg 1.10 ms (13/2+) %IT=100
206Hg 8.15 m0+ %B-=100
207Hg 2.9 m (9/2+) %B-=100
208Hg 42 m 0+ %B-=100
 
Last update on
February 15, 2012