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Het chemisch element kwik (Hg), met een atoommassa van 200,59(2) u, bezit 7 stabiele isotopen: 196Hg, 198Hg, 199Hg, 200Hg, 201Hg, 202Hg en 204Hg, waarvan de voorlaatste het meest abundant is (ongeveer 29,9%). De 36 radio-isotopen zijn onstabiel en hebben een relatief korte halfwaardetijd (de meeste minder dan een seconde). Alle stabiele isotopen worden ervan verdacht α-verval te ondergaan tot stabiele isotopen van platina.
De kortstlevende isotoop van kwik is 171Hg, met een halfwaardetijd van ongeveer 80 microseconden. De langstlevende is 194Hg, met een halfwaardetijd van 444 jaar.
Nuclide | Z (p) | N (n) | Isotopische massa (u) | Halveringstijd | Radioactief verval | VP | Kernspin | Isotopische verhouding (molfractie) |
Natuurlijk voorkomen (molfractie) |
---|---|---|---|---|---|---|---|---|---|
Excitatie-energie | |||||||||
171Hg | 80 | 91 | 171,00376(32) | 80(30) µs | 3/2− | ||||
172Hg | 80 | 92 | 171,99883(22) | 420(240) µs | 0 | ||||
173Hg | 80 | 93 | 172,99724(22) | 1,1(4) ms | 3/2− | ||||
174Hg | 80 | 94 | 173,992864(21) | 2,0(4) ms | 0+ | ||||
175Hg | 80 | 95 | 174,99142(11) | 10,8(4) ms | α | 171Pt | 5/2− | ||
176Hg | 80 | 96 | 175,987355(15) | 20,4(15) ms | α (98,6%) | 172Pt | 0+ | ||
β+ (1,4%) | 176Au | ||||||||
177Hg | 80 | 97 | 176,98628(8) | 127,3(18) ms | α (85%) | 173Pt | 5/2− | ||
β+ (15%) | 177Au | ||||||||
178Hg | 80 | 98 | 177,982483(14) | 0,269(3) s | α (70%) | 174Pt | 0+ | ||
β+ (30%) | 178Au | ||||||||
179Hg | 80 | 99 | 178,981834(29) | 1,09(4) s | α (53%) | 175Pt | 5/2− | ||
β+ (47%) | 179Au | ||||||||
β+, p (0,15%) | 178Pt | ||||||||
180Hg | 80 | 100 | 179,978266(15) | 2,58(1) s | β+ (52%) | 180Au | 0+ | ||
α (48%) | 176Pt | ||||||||
181Hg | 80 | 101 | 180,977819(17) | 3,6(1) s | β+ (64%) | 181Au | 1/2− | ||
α (36%) | 177Pt | ||||||||
β+, p (0,014%) | 180Pt | ||||||||
β+, α (9 × 10−6%) | 177Ir | ||||||||
181mHg | 210(40) keV | 13/2+ | |||||||
182Hg | 80 | 102 | 181,97469(1) | 10,83(6) s | β+ (84,8%) | 182Au | 0+ | ||
α (15,2%) | 178Pt | ||||||||
β+, p (10−5%) | 181Pt | ||||||||
183Hg | 80 | 103 | 182,974450(9) | 9,4(7) s | β+ (74,5%) | 183Au | 1/2− | ||
α (25,5%) | 179Pt | ||||||||
β+, p (5,6 × 10−4%) | 182Pt | ||||||||
183m1Hg | 198(14) keV | 13/2+ | |||||||
183m2Hg | 240(40) keV | 5 s | β+ | 183Au | 13/2+ | ||||
184Hg | 80 | 104 | 183,971713(11) | 30,6(3) s | β+ (98,89%) | 184Au | 0+ | ||
α (1,11%) | 180Pt | ||||||||
185Hg | 80 | 105 | 184,971899(17) | 49,1(10) s | β+ (94%) | 185Au | 1/2− | ||
α (6%) | 181Pt | ||||||||
185mHg | 99,3(5) keV | 21,6(15) s | IT (54%) | 185Hg | 13/2+ | ||||
β+ (46%) | 185Au | ||||||||
α (0,03%) | 181Pt | ||||||||
186Hg | 80 | 106 | 185,969362(12) | 1,38(6) min | β+ (99,92%) | 186Au | 0+ | ||
α (0,016%) | 182Pt | ||||||||
186mHg | 2217,3(4) keV | 82(5) µs | (8−) | ||||||
187Hg | 80 | 107 | 186,969814(15) | 1,9(3) min | β+ | 187Au | 3/2− | ||
α (1,2 × 10−4%) | 183Pt | ||||||||
187mHg | 59(16) keV | 2,4(3) min | β+ | 187Au | 13/2+ | ||||
α (2,5 × 10−4%) | 183Pt | ||||||||
188Hg | 80 | 108 | 187,967577(12) | 3,25(15) min | β+ | 188Au | 0+ | ||
α (3,7 × 10−5%) | 184Pt | ||||||||
188mHg | 2724,3(4) keV | 134(15) ns | (12+) | ||||||
189Hg | 80 | 109 | 188,96819(4) | 7,6(1) min | β+ | 189Au | 3/2− | ||
α (3 × 10−5%) | 185Pt | ||||||||
189mHg | 80(30) keV | 8,6(1) min | β+ | 189Au | 13/2+ | ||||
α (3 × 10−5%) | 185Pt | ||||||||
190Hg | 80 | 110 | 189,966322(17) | 20,0(5) min | β+ | 190Au | 0+ | ||
α (5 × 10−5%) | 186Pt | ||||||||
191Hg | 80 | 111 | 190,967157(24) | 49(10) min | β+ | 191Au | 3/2− | ||
191mHg | 128(22) keV | 50,8(15) min | β+ | 191Au | 13/2+ | ||||
192Hg | 80 | 112 | 191,965634(17) | 4,85(20) uur | EV | 192Au | 0+ | ||
α (4 × 10−6%) | 188Pt | ||||||||
193Hg | 80 | 113 | 192,966665(17) | 3,80(15) uur | β+ | 193Au | 3/2− | ||
193mHg | 140,76(5) keV | 11,8(2) uur | β+ (92,9%) | 193Au | 13/2+ | ||||
IT (7,1%) | 193Hg | ||||||||
194Hg | 80 | 114 | 193,965439(13) | 444(77) jaar | EV | 194Au | 0+ | ||
195Hg | 80 | 115 | 194,966720(25) | 10,53(3) uur | β+ | 195Au | 1/2− | ||
195mHg | 176,07(4) keV | 41,6(8) uur | IT (54,2%) | 195Hg | 13/2+ | ||||
β+ (45,8%) | 195Au | ||||||||
196Hg | 80 | 116 | 195,965833(3) | stabiel | 0+ | 0,0015(1) | |||
197Hg | 80 | 117 | 196,967213(3) | 64,14(5) uur | EV | 197Au | 1/2− | ||
197mHg | 298,93(8) keV | 23,8(1) uur | IT (91,4%) | 197Hg | 13/2+ | ||||
EV (8,6%) | 197Au | ||||||||
198Hg | 80 | 118 | 197,9667690(4) | stabiel | 0+ | 0,0997(20) | |||
199Hg | 80 | 119 | 198,9682799(4) | stabiel | 1/2− | 0,1687(22) | |||
199mHg | 532,48(10) keV | 42,66(8) min | IT | 199Hg | 13/2+ | ||||
200Hg | 80 | 120 | 199,9683260(4) | stabiel | 0+ | 0,2310(19) | |||
201Hg | 80 | 121 | 200,9703023(6) | stabiel | 3/2− | 0,1318(9) | |||
201mHg | 766,22(15) keV | 94(3) µs | 13/2+ | ||||||
202Hg | 80 | 122 | 201,9706430(6) | stabiel | 0+ | 0,2986(26) | |||
203Hg | 80 | 123 | 202,9728725(18) | 46,595(6) dagen | β− | 203Tl | 5/2− | ||
203mHg | 933,14(23) keV | 24(4) µs | (13/2+) | ||||||
204Hg | 80 | 124 | 203,9734939(4) | stabiel | 0+ | 0,0687(15) | |||
205Hg | 80 | 125 | 204,976073(4) | 5,14(9) min | β− | 205Tl | 1/2− | ||
205mHg | 1556,40(17) keV | 1,09(4) ms | IT | 205Hg | 13/2+ | ||||
206Hg | 80 | 126 | 205,977514(22) | 8,15(10) min | β− | 206Tl | 0+ | ||
207Hg | 80 | 127 | 206,98259(16) | 2,9(2) min | β− | 207Tl | (9/2+) | ||
208Hg | 80 | 128 | 207,98594(32) | 42(5) min | β− | 208Tl | 0+ | ||
209Hg | 80 | 129 | 208,99104(21) | 37(8) s | 9/2+ | ||||
210Hg | 80 | 130 | 209,99451(32) | 10 min | 0+ |
1 | 18 | |||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | H | 2 | Periodiek systeem | 13 | 14 | 15 | 16 | 17 | He | |||||||||
2 | Li | Be | De links verwijzen naar isotopen per element | B | C | N | O | F | Ne | |||||||||
3 | Na | Mg | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Al | Si | P | S | Cl | Ar |
4 | K | Ca | Sc | Ti | V | Cr | Mn | Fe | Co | Ni | Cu | Zn | Ga | Ge | As | Se | Br | Kr |
5 | Rb | Sr | Y | Zr | Nb | Mo | Tc | Ru | Rh | Pd | Ag | Cd | In | Sn | Sb | Te | I | Xe |
6 | Cs | Ba | ↓ | Hf | Ta | W | Re | Os | Ir | Pt | Au | Hg | Tl | Pb | Bi | Po | At | Rn |
7 | Fr | Ra | ↓↓ | Rf | Db | Sg | Bh | Hs | Mt | Ds | Rg | Cn | Nh | Fl | Mc | Lv | Ts | Og |
Lanthaniden | La | Ce | Pr | Nd | Pm | Sm | Eu | Gd | Tb | Dy | Ho | Er | Tm | Yb | Lu | |||
Actiniden | Ac | Th | Pa | U | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr |
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