There are seven stable isotopes of mercury (Hg) with Hg-202 being the most abundant (29. Isotopes (Greek isos = "equal" tópos = "site place" are any of the different types of atoms ( Nuclides Mercury (ˈmɜrkjʊri also called quicksilver or hydrargyrum, is a Chemical element with the symbol Hg ( Latinized hydrargyrum 86%). The longest-lived radioisotopes are 194Hg with a half-life of 444 years, and 203Hg with a half-life of 46. A radionuclide is an Atom with an unstable nucleus, which is a nucleus characterized by excess energy which is available to be imparted either to a newly-created Half-Life (computer-game page here It's already listed in the disambiguation page 612 days. Most of the remaining radioisotopes have half-lives that are less than a day. 199Hg and 201Hg are the most often studied NMR-active nuclei, having spins of 1/2 and 3/2 respectively.
Standard atomic mass: 200. 59(2) u
| nuclide symbol | Z(p) | N(n) | isotopic mass (u) | half-life | nuclear spin | representative isotopic composition (mole fraction) | range of natural variation (mole fraction) |
|---|---|---|---|---|---|---|---|
| excitation energy | |||||||
| 171Hg | 80 | 91 | 171. The unified atomic mass unit ( u) or Dalton ( Da) or sometimes universal mass unit, is an unit of Mass used to express The proton ( Greek πρῶτον / proton "first" is a Subatomic particle with an Electric charge of one positive This article is a discussion of neutrons in general For the specific case of a neutron found outside the nucleus see Free neutron. 00376(32)# | 80(30) µs [59(+36-16) µs] | 3/2-# | ||
| 172Hg | 80 | 92 | 171. 99883(22) | 420(240) µs [0. 25(+35-9) ms] | 0 | ||
| 173Hg | 80 | 93 | 172. 99724(22)# | 1. 1(4) ms [0. 6(+5-2) ms] | 3/2-# | ||
| 174Hg | 80 | 94 | 173. 992864(21) | 2. 0(4) ms [2. 1(+18-7) ms] | 0+ | ||
| 175Hg | 80 | 95 | 174. 99142(11) | 10. 8(4) ms | 5/2-# | ||
| 176Hg | 80 | 96 | 175. 987355(15) | 20. 4(15) ms | 0+ | ||
| 177Hg | 80 | 97 | 176. 98628(8) | 127. 3(18) ms | 5/2-# | ||
| 178Hg | 80 | 98 | 177. 982483(14) | 0. 269(3) s | 0+ | ||
| 179Hg | 80 | 99 | 178. 981834(29) | 1. 09(4) s | 5/2-# | ||
| 180Hg | 80 | 100 | 179. 978266(15) | 2. 58(1) s | 0+ | ||
| 181Hg | 80 | 101 | 180. 977819(17) | 3. 6(1) s | 1/2(-) | ||
| 181mHg | 210(40)# keV | 13/2+ | |||||
| 182Hg | 80 | 102 | 181. 97469(1) | 10. 83(6) s | 0+ | ||
| 183Hg | 80 | 103 | 182. 974450(9) | 9. 4(7) s | 1/2- | ||
| 183m1Hg | 198(14) keV | 13/2+# | |||||
| 183m2Hg | 240(40)# keV | 5# s | 13/2+# | ||||
| 184Hg | 80 | 104 | 183. 971713(11) | 30. 6(3) s | 0+ | ||
| 185Hg | 80 | 105 | 184. 971899(17) | 49. 1(10) s | 1/2- | ||
| 185mHg | 99. 3(5) keV | 21. 6(15) s | 13/2+ | ||||
| 186Hg | 80 | 106 | 185. 969362(12) | 1. 38(6) min | 0+ | ||
| 186mHg | 2217. 3(4) keV | 82(5) µs | (8-) | ||||
| 187Hg | 80 | 107 | 186. 969814(15) | 1. 9(3) min | 3/2- | ||
| 187mHg | 59(16) keV | 2. 4(3) min | 13/2+ | ||||
| 188Hg | 80 | 108 | 187. 967577(12) | 3. 25(15) min | 0+ | ||
| 188mHg | 2724. 3(4) keV | 134(15) ns | (12+) | ||||
| 189Hg | 80 | 109 | 188. 96819(4) | 7. 6(1) min | 3/2- | ||
| 189mHg | 80(30) keV | 8. 6(1) min | 13/2+ | ||||
| 190Hg | 80 | 110 | 189. 966322(17) | 20. 0(5) min | 0+ | ||
| 191Hg | 80 | 111 | 190. 967157(24) | 49(10) min | 3/2(-) | ||
| 191mHg | 128(22) keV | 50. 8(15) min | 13/2+ | ||||
| 192Hg | 80 | 112 | 191. 965634(17) | 4. 85(20) h | 0+ | ||
| 193Hg | 80 | 113 | 192. 966665(17) | 3. 80(15) h | 3/2- | ||
| 193mHg | 140. 76(5) keV | 11. 8(2) h | 13/2+ | ||||
| 194Hg | 80 | 114 | 193. 965439(13) | 444(77) a | 0+ | ||
| 195Hg | 80 | 115 | 194. 966720(25) | 10. 53(3) h | 1/2- | ||
| 195mHg | 176. 07(4) keV | 41. 6(8) h | 13/2+ | ||||
| 196Hg | 80 | 116 | 195. 965833(3) | STABLE [>2. 5E+18 a] | 0+ | 0. 0015(1) | |
| 197Hg | 80 | 117 | 196. 967213(3) | 64. 14(5) h | 1/2- | ||
| 197mHg | 298. 93(8) keV | 23. 8(1) h | 13/2+ | ||||
| 198Hg | 80 | 118 | 197. 9667690(4) | STABLE | 0+ | 0. 0997(20) | |
| 199Hg | 80 | 119 | 198. 9682799(4) | STABLE | 1/2- | 0. 1687(22) | |
| 199mHg | 532. 48(10) keV | 42. 66(8) min | 13/2+ | ||||
| 200Hg | 80 | 120 | 199. 9683260(4) | STABLE | 0+ | 0. 2310(19) | |
| 201Hg | 80 | 121 | 200. 9703023(6) | STABLE | 3/2- | 0. 1318(9) | |
| 201mHg | 766. 22(15) keV | 94(3) µs | 13/2+ | ||||
| 202Hg | 80 | 122 | 201. 9706430(6) | STABLE | 0+ | 0. 2986(26) | |
| 203Hg | 80 | 123 | 202. 9728725(18) | 46. 595(6) d | 5/2- | ||
| 203mHg | 933. 14(23) keV | 24(4) µs | (13/2+) | ||||
| 204Hg | 80 | 124 | 203. 9734939(4) | STABLE | 0+ | 0. 0687(15) | |
| 205Hg | 80 | 125 | 204. 976073(4) | 5. 14(9) min | 1/2- | ||
| 205mHg | 1556. 40(17) keV | 1. 09(4) ms | 13/2+ | ||||
| 206Hg | 80 | 126 | 205. 977514(22) | 8. 15(10) min | 0+ | ||
| 207Hg | 80 | 127 | 206. 98259(16) | 2. 9(2) min | (9/2+) | ||
| 208Hg | 80 | 128 | 207. 98594(32)# | 42(5) min [41(+5-4) min] | 0+ | ||
| 209Hg | 80 | 129 | 208. 99104(21)# | 37(8) s | 9/2+# | ||
| 210Hg | 80 | 130 | 209. 99451(32)# | 10# min [>300 ns] | 0+ | ||
| Isotopes of gold | Isotopes of mercury | Isotopes of thallium |
| Index to isotope pages · Table of nuclides | ||