Vissza Astrojan csillagászati képgyűjteményhez

Isotopes of the Element Mercury

[Click for Main Data]         Proton Emission     Neutron Emission     Electron Emission     Positron Emission

Most of the isotope data on this site has been obtained from the National Nuclear Data Center.

Naturally Occurring Isotopes

Mass NumberNatural AbundanceHalf-life
1960.15%STABLE
1989.97%STABLE
19916.87%STABLE
20023.10%STABLE
20113.18%STABLE
20229.86%STABLE
2046.87%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
17159 microsecondsAlpha Decay100.00%
172231 microsecondsAlpha Decay100.00%
1730.6 millisecondsAlpha Decay100.00%
1742.1 millisecondsAlpha Decay99.60%
17510.6 millisecondsAlpha Decay100.00%
17620.3 millisecondsAlpha Decay94.00%
177118 millisecondsAlpha Decay100.00%
178266.5 millisecondsAlpha Decay~ 70.00%
Electron Capture~ 30.00%
1791.05 secondsElectron Capture45.00%
Electron Capture with
delayed Proton Emission
~ 0.15%
Alpha Decay55.00%
1802.58 secondsElectron Capture52.00%
Alpha Decay48.00%
1813.6 secondsElectron Capture73.00%
Alpha Decay27.00%
Electron Capture with
delayed Proton Emission
0.01%
Electron Capture with
delayed Alpha Decay
9.0×10-6 %
18210.83 secondsElectron Capture84.80%
Alpha Decay15.20%
1839.4 secondsAlpha Decay11.70%
Electron Capture with
delayed Proton Emission
2.6×10-4 %
Electron Capture88.30%
18430.87 secondsElectron Capture98.89%
Alpha Decay1.11%
18549.1 secondsElectron Capture94.00%
Alpha Decay6.00%
185m21.6 secondsIsomeric Transition54.00%
Electron Capture46.00%
Alpha Decay~ 0.03%
1861.38 minutesAlpha Decay0.02%
Electron Capture99.98%
1872.4 minutesElectron Capture100.00%
Alpha Decay< 3.7×10-4 %
187m1.9 minutesElectron Capture100.00%
Alpha Decay< 3.7×10-4 %
1883.25 minutesElectron Capture100.00%
Alpha Decay3.7×10-5 %
1897.6 minutesElectron Capture100.00%
Alpha Decay< 3.0×10-5 %
189m8.6 minutesElectron Capture100.00%
Alpha Decay< 3.0×10-5 %
19020.0 minutesElectron Capture100.00%
Alpha Decay< 3.4×10-7 %
19149 minutesElectron Capture100.00%
Alpha Decay5.0×10-6 %
191m50.8 minutesElectron Capture100.00%
1924.85 hoursElectron Capture100.00%
1933.80 hoursElectron Capture100.00%
193m11.8 hoursElectron Capture92.80%
Isomeric Transition7.20%
194444 yearsElectron Capture100.00%
19510.53 hoursElectron Capture100.00%
195m41.6 hoursIsomeric Transition54.20%
Electron Capture45.80%
196STABLE--
19764.14 hoursElectron Capture100.00%
197m23.8 hoursIsomeric Transition91.40%
Electron Capture8.60%
198STABLE--
199STABLE--
199m42.67 minutesIsomeric Transition100.00%
200STABLE--
201STABLE--
202STABLE--
20346.594 daysBeta-minus Decay100.00%
204STABLE--
2055.14 minutesBeta-minus Decay100.00%
205m1.09 millisecondsIsomeric Transition100.00%
2068.32 minutesBeta-minus Decay100.00%
2072.9 minutesBeta-minus Decay100.00%
20841 minutesBeta-minus Decay100.00%
20935 secondsBeta-minus Decay100.00%
210> 300 nanosecondsBeta-minus Decay (suspected)   No Data Available
211> 300 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
212> 300 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
213> 300 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
214> 300 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
215> 300 nanosecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
216> 300 nanoseconds   Beta-minus Decay with
delayed Neutron Emission
No Data Available
Beta-minus DecayNo Data Available