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Table of nuclides, 73-96



A table with the basic properties of all nuclides.

Legend

α Alpha decay
β- Beta decay
β+ Positron emission
K+ Electron capture
IT Internal conversion
SF Spontaneous fission
p Proton emission
n Neutron emission

Additional recommended knowledge

Contents

Tantalum

Isotope Half-life Spin Parity Mode(s) or Abundance
156Ta 144 ms (2-) %p ~ 100
156m1Ta 375 ms (9+ ) %K+%β+=95.8 , %p=4.2
157Ta 10.1 ms 1/2+ %α=96.6 , %p=3.4
157m1Ta 4.3 ms 11/2- %K+%β+ ~ 5
158Ta 36.5 ms (2-) %α=93 , %K+%β+=7
158m1Ta 49 ms (9+ ) %α ~ 100
159Ta 0.57 s %α=80 , %K+%β+=20
160Ta 1.55 s (9+ ) %K+%β+=66, %α=34
160m1Ta 1.7 s (2-) %α=?
161Ta 2.7 s %K+%β+ ~ 95, %α ~ 5
162Ta 3.52 s %K+%β+=99.926 , %α=0.074
163Ta 10.6 s %K+%β+ ~ 99.8, %α ~ 0.2
164Ta 14.2 s (3+ ) %K+%β+=100
165Ta 31.0 s %K+%β+=100
166Ta 34.4 s (2) + %K+%β+=100
167Ta 1.4 m (3/2+ ) %K+%β+=100
168Ta 2.0 m (3+ ) %K+%β+=100
169Ta 4.9 m (5/2-) %K+%β+=100
170Ta 6.76 m (3+ ) %K+%β+=100
171Ta 23.3 m (5/2-) %K+%β+=100
172Ta 36.8 m (3+ ) %K+%β+=100
173Ta 3.14 h 5/2- %K+%β+=100
174Ta 1.05 h 3+ %K+%β+=100
174m1Ta 250 ns
175Ta 10.5 h 7/2+ %K+%β+=100
176Ta 8.09 h (1) - %K+%β+=100
176m1Ta 1.1 ms (+) %IT=100
176m2Ta 1.4 ms (20- )
177Ta 56.56 h 7/2+ %K+%β+=100
178Ta 9.31 m 1+ %K+%β+=100
178m1Ta 2.36 h (7) - %K+%β+=100
178m2Ta 60 ms (15-) %IT=100
179Ta 1.82 a 7/2+ %K=100
179m1Ta 9.0 ms (25/2+ )
179m2Ta 52 ms (37/2+ )
180Ta 8.152 h 1+ %Abundance=0.012, %K=86 , %β-=14
180m1Ta 1.2e+15 a 9-
181Ta stable 7/2+ %Abundance=99.988
182Ta 114.43 d 3- %β-=100
182m1Ta 283 ms 5+ %IT=100
182m2Ta 15.84 m 10- %IT=100
183Ta 5.1 d 7/2+ %β-=100
184Ta 8.7 h (5-) %β-=100
185Ta 49.4 m (7/2+ ) %β-=100
186Ta 10.5 m (2- ,3-) %β-=100

Tungsten

Isotope Half-life Spin Parity Mode(s) or Abundance
158W 0.9 ms 0+ %α=100
158m1W 0.16 ms 8+
159W 7.3 ms %α ~ 99.5, %K+%β+ ~ 0.5
160W 91 ms 0+ %α=87 , %K+%β+=?
161W 410 ms %α=82
162W 1.39 s 0+ %K+%β+=53 , %α=47
163W 2.75 s %K+%β+=59 , %α=41
164W 6.0 s 0+ %K+%β+=95.6 , %α=4.4
165W 5.1 s %K+%β+=100 , %α < 0.2
166W 18.8 s 0+ %K+%β+=99.965 , %α=0.035
167W 19.9 s (7/2-) %K+%β+=?, %α=?
168W 53 s 0+ %K+%β+ ~ 100, %α=2.7E-3
169W 76 s (5/2-) %K+%β+=100
170W 2.42 m 0+ %K+%β+=100
171W 2.38 m (5/2-) %K+%β+=100
172W 6.6 m 0+ %K+%β+=100
173W 7.6 m 5/2- %K+%β+=100
174W 31 m 0+ %K+%β+=100
175W 35.2 m (1/2-) %K+%β+=100
176W 2.5 h 0+ %K=100
177W 135 m (1/2-) %K+%β+=100
178W 21.6 d 0+ %K=100
179W 37.05 m (7/2) - %K+%β+=100
179m1W 6.40 m (1/2) - %IT=99.72 , %K+%β+=0.28
180W stable 0+ %Abundance=0.13
180m1W 5.47 ms 8- %IT=100
181W 121.2 d 9/2+ %K=100
182W stable 0+ %Abundance=26.3
183W 1.1e+17 a 1/2- %Abundance=14.3
183m1W 5.2 s 11/2+ %IT=100
184W 3e+17 a 0+ %Abundance=30.67
185W 75.1 d 3/2- %β-=100
185m1W 1.67 m 11/2+ %IT=100
186W stable 0+ %Abundance=28.6
187W 23.72 h 3/2- %β-=100
188W 69.4 d 0+ %β-=100
189W 11.5 m (3/2-) %β-=100
190W 30.0 m 0+ %β-=100

Rhenium

Isotope Half-life Spin Parity Mode(s) or Abundance
160Re 0.79 ms %p=91 , %α=9
161Re 0.37 ms (1/2+ ) %p=100
161m1Re 16 ms (11/2-) %α=95.2 , %p=4.8
162Re 107 ms (2-) %α=94
162m1Re 75 ms (9+ ) %α=91
163Re 260 ms %α=64 , %K+%β+=36
164Re 0.38 s %K+%β+ ~ 100
164m1Re 0.88 s %α=?
165Re 2.4 s %K+%β+=87 , %α=13
166Re 2.8 s %α < 8
167Re 6.1 s %K+%β+ ~ 99.3, %α ~ 0.7
168Re 4.4 s (6+ ) %K+%β+ ~ 100, %α ~ 5E-3
169Re
169m1Re 12.9 s %α ~ 0.2
170Re 9.2 s (5+ ) %K+%β+=100
171Re 15.2 s (9/2-) %K+%β+=100
172Re 15 s (5) %K+%β+=100
172m1Re 55 s (2) %K+%β+=100
173Re 1.98 m (5/2-) %K+%β+=100
174Re 2.40 m %K+%β+=100
175Re 5.89 m (5/2-) %K+%β+=100
176Re 5.3 m 3(+) %K+%β+=100
177Re 14 m (5/2-) %K+%β+=100
178Re 13.2 m (3+ ) %K+%β+=100
179Re 19.5 m (5/2) + %K+%β+=100
180Re 2.44 m (1) - %K+%β+=100
181Re 19.9 h 5/2+ %K+%β+=100
182Re 64.0 h 7+ %K+%β+=100
182m1Re 12.7 h 2+ %K+%β+=100
183Re 70.0 d 5/2+ %K=100
183m1Re 1.04 ms (25/2) + %IT=100
184Re 38.0 d 3(-) %K+%β+=100
184m1Re 169 d 8(+) %IT=75.4 , %K=24.6
185Re stable 5/2+ %Abundance=37.40
186Re 3.7183 d 1- %K=7.47 , %β-=92.53
186m1Re 2.0e+5 a (8+ ) %IT=100
187Re 4.35e10 a 5/2+ %Abundance=62.60, %β-=100, %α < 0.0001
188Re 17.005 h 1- %β-=100
188m1Re 18.6 m (6) - %IT=100
189Re 24.3 h 5/2+ %β-=100
190Re 3.1 m (2) - %β-=100
190m1Re 3.2 h (6-) %β-=54.4 , %IT=45.6
191Re 9.8 m (3/2+ , 1/2+ ) %β-=100
192Re 16 s %β-=100

Osmium

Isotope Half-life Spin Parity Mode(s) or Abundance
162Os 1.9 ms 0+ %α=100
163Os %α=?, %K+%β+=?
164Os 21 ms 0+ %α ~ 98 , %K+%β+ ~ 2
165Os 71 ms (7/2-) %α > 60 , %K+%β+ < 40
166Os 181 ms 0+ %α=72 , %K+%β+=28
167Os 0.83 s %α=67 , %K+%β+=33
168Os 2.1 s 0+ %K+%β+=56 , %α=44
169Os 3.4 s %K+%β+=89 , %α=11
170Os 7.3 s 0+ %K+%β+=88 , %α=12
171Os 8.0 s (5/2-) %K+%β+=98.3 , %α=1.7
172Os 19.2 s 0+ %K+%β+=99.0 , %α=1.0
173Os 16 s (5/2-) %K+%β+=99.979 , %α=0.021
174Os 44 s 0+ %K+%β+=99.980 +4-10, %α=0.020 +10-4
175Os 1.4 m (5/2-) %K+%β+=100
176Os 3.6 m 0+ %K+%β+=100
177Os 2.8 m (1/2-) %K+%β+=100
178Os 5.0 m 0+ %K+%β+=100
179Os 6.5 m (1/2-) %K+%β+=100
180Os 21.5 m 0+ %K+%β+=100
181Os 105 m 1/2- %K+%β+=100
181m1Os 2.7 m (7/2) - %K+%β+=100
182Os 22.10 h 0+ %K=100
183Os 13.0 h 9/2+ %K+%β+=100
183m1Os 9.9 h 1/2- %K+%β+=85 , %IT=15
184Os 5.6e13 a 0+ %Abundance=0.02
185Os 93.6 d 1/2- %K=100
186Os 2.0e15 a 0+ %Abundance=1.58, %α=100
187Os stable 1/2- %Abundance=1.6
188Os stable 0+ %Abundance=13.3
189Os stable 3/2- %Abundance=16.1
189m1Os 5.8 h 9/2- %IT=100
190Os stable 0+ %Abundance=26.4
190m1Os 9.9 m (10) - %IT=100
191Os 15.4 d 9/2- %β-=100
191m1Os 13.10 h 3/2- %IT=100
192Os stable 0+ %Abundance=41.0
192m1Os 5.9 s (10- ) %IT > 87, %β- < 13
193Os 30.11 h 3/2- %β-=100
194Os 6.0 a 0+ %β-=100
195Os 6.5 m %β-=100
196Os 34.9 m 0+ %β-=100

Iridium

Isotope Half-life Spin Parity Mode(s) or Abundance
165Ir 300 μs (11/2-) %p=87 , %α=13
166Ir 10.5 ms (2-) %α=93 , %p=7
166m1Ir 15.1 ms (9+ ) %α=98.2 , %p=1.8
167Ir 5 ms %α=?
168Ir 161 ms %α=?
169Ir 0.4 s %α ~ 100, %K+%β+=?, %p=?
170Ir 1.05 s %K+%β+=25 sys%α=75 sys
171Ir 1.5 s %α ~ 100, %K+%β+=?, %p=?
172Ir 4.4 s (3+ ) %α ~ 2, %K+%β+=98
172m1Ir 2.0 s (7+ ) %α=23 , %K+%β+=77
173Ir 9.0 s (3/2+ , 5/2+ ) %K+%β+ > 93, %α < 7
173m1Ir 2.20 s (11/2-) %K+%β+=88 , %α=12
174Ir 9 s (3+ ) %K+%β+=99.53 , %α=0.47
174m1Ir 4.9 s (7+ ) %K+%β+=97.5 , %α=2.5
175Ir 9 s (5/2-) %K+%β+=99.15 , %α=0.85
176Ir 8 s %K+%β+=97.9 , %α=2.1
177Ir 30 s (5/2-) %K+%β+=99.94 , %α=0.06
178Ir 12 s %K+%β+=100
179Ir 79 s (5/2) - %K+%β+=100
180Ir 1.5 m %K+%β+=100
181Ir 4.90 m (5/2) - %K+%β+=100
182Ir 15 m (5+ ) %K+%β+=100
183Ir 58 m 5/2- %K+%β+=100
184Ir 3.09 h 5- %K+%β+=100
185Ir 14.4 h 5/2- %K+%β+=100
186Ir 16.64 h 5+ %K+%β+=100
186m1Ir 1.90 h 2- %K+%β+ ~ 75, %IT ~ 25
187Ir 10.5 h 3/2+ %K+%β+=100
187m1Ir 30.3 ms 9/2- %IT=100
188Ir 41.5 h 1- %K+%β+=100
188m1Ir 4.2 ms
189Ir 13.2 d 3/2+ %K=100
189m1Ir 13.3 ms 11/2- %IT=100
189m2Ir 3.7 ms (25/2) + %IT=100
190Ir 11.78 d (4-) %K+%β+=100, %β- < 0.002
190m1Ir 1.2 h (1-) %IT=100
190m2Ir 3.25 h (11) - %K+%β+=94.4 , %IT=5.6
191Ir stable 3/2+ %Abundance=37.3
191m1Ir 4.94 s 11/2- %IT=100
191m2Ir 5.5 s %IT=100
192Ir 73.831 d 4(+) %β-=95.24 , %K=4.76
192m1Ir 1.45 m 1(-) %IT=99.982, %β-=0.018
192m2Ir 241 a (9) %IT=100
193Ir stable 3/2+ %Abundance=62.7
193m1Ir 10.53 d 11/2- %IT=100
194Ir 19.28 h 1- %β-=100
194m1Ir 31.85 ms (4+ ) %IT=100
194m2Ir 171 d (10,11) %β-=100
195Ir 2.5 h 3/2+ %β-=100
195m1Ir 3.8 h 11/2- %β-=95 , %IT=5
196Ir 52 s (0- ) %β-=100
196m1Ir 1.40 h (10,11-) %β- ~ 100 , %IT < 0.3
197Ir 5.8 m 3/2+ %β-=100
197m1Ir 8.9 m 11/2- %β-=99.75 , %IT=0.25
198Ir 8 s %β-=100

Platinum

Isotope Half-life Spin Parity Mode(s) or Abundance
168Pt 2.0 ms 0+ %α=100
169Pt 5 ms %α=?
170Pt 6 ms 0+ %α=100
171Pt 25 ms %α ~ 99, %K+%β+ ~ 1
172Pt 0.096 s 0+ %α=94 +6-32 , %K+%β+=6 +32-6
173Pt 342 ms %K+%β+=16 , %α=84
174Pt 0.90 s 0+ %α=75 , %K+%β+=25
175Pt 2.52 s %α=64 , %K+%β+=36
176Pt 6.33 s 0+ %K+%β+=62 , %α=38
177Pt 11 s (5/2-) %K+%β+=94.4 , %α=5.6
178Pt 21.1 s 0+ %K+%β+=95.4 , %α=4.6
179Pt 21.2 s 1/2- %K+%β+=99.76 , %α=0.24
180Pt 52 s 0+ %K+%β+=100, %α ~ 0.3
181Pt 51 s 1/2- %K+%β+=100, %α ~ 0.06
182Pt 3.0 m 0+ %K+%β+=99.969 , %α=0.031
183Pt 6.5 m 1/2- %K+%β+ ~ 100, %α ~ 0.0013
183m1Pt 43 s (7/2) - %K+%β+=100, %α=?
184Pt 17.3 m 0+ %K+%β+=100, %α ~ 0.001
184m1Pt 1.01 ms 8- %IT=100
184m2Pt 1.1 ms 8-
185Pt 70.9 m 9/2+ %K+%β+=100, %α=0.0050
185m1Pt 33.0 m 1/2- %K+%β+=99 , %IT < 2
186Pt 2.2 h 0+ %K+%β+=100, %α ~ 0.00010
187Pt 2.35 h 3/2- %K+%β+=100
188Pt 10.2 d 0+ %K=100, %α=2.9E-5
189Pt 10.87 h 3/2- %K+%β+=100
190Pt 6.5e11 a 0+ %Abundance=0.01, %α=100
191Pt 2.802 d 3/2- %K=100
192Pt stable 0+ %Abundance=0.79
193Pt 50 a 1/2- %K=100
193m1Pt 4.33 d 13/2+ %IT=100
194Pt stable 0+ %Abundance=32.9
195Pt stable 1/2- %Abundance=33.8
195m1Pt 4.02 d 13/2+ %IT=100
196Pt stable 0+ %Abundance=25.3
197Pt 19.8915 h 1/2- %β-=100
197m1Pt 95.41 m 13/2+ %IT=96.7 , %β-=3.3
198Pt stable 0+ %Abundance=7.2
199Pt 30.80 m 5/2- %β-=100
199m1Pt 13.6 s (13/2) + %IT=100
200Pt 12.5 h 0+ %β-=100
201Pt 2.5 m (5/2-) %β-=100
202Pt 44 h 0+ %β-=100

Gold

Isotope Half-life Spin Parity Mode(s) or Abundance
172Au 6.3 ms %α ~ 100, %p < 2
173Au 59 ms %α < 100
174Au 120 ms %α=?
175Au 200 ms %α=94 +6-25, %K+%β+=6 +25-6
176Au 1.08 s %α=?, %K+%β+=?
177Au 1.18 s %α < 40
178Au 2.6 s %K+%β+ < 60, %α > 40
179Au 7.1 s %K+%β+=78.0 , %α=22.0
180Au 8.1 s %K+%β+ < 98.2, %α > 1.8
181Au 11.4 s 5/2- %K+%β+=98.7 , %α=1.3
182Au 15.6 s %K+%β+=99.87 , %α=0.13
183Au 42.0 s (5/2) - %K+%β+=99.70 , %α=0.30
184Au 53.0 s 3+ %K+%β+=99.978, %α=0.022
185Au 4.25 m 5/2- %K+%β+=99.74 , %α=0.26
185m1Au 6.8 m %K+%β+ < 100, %IT=?
186Au 10.7 m 3- %K+%β+=100, %α=8E-4
187Au 8.4 m 1/2+ %K+%β+=100, %α=0.003 sys
187m1Au 2.3 s 9/2- %IT=100
188Au 8.84 m 1(-) %K+%β+=100
189Au 28.7 m 1/2+ %K+%β+=100, %α < 3E-5
189m1Au 4.59 m 11/2- %K+%β+ ~ 100, %IT > 0
190Au 42.8 m 1- %K+%β+=100, %α < 1E-6
190m1Au 125 ms (11-) %IT=?, %K+%β+=?
191Au 3.18 h 3/2+ %K+%β+=100
191m1Au 0.92 s (11/2-) %IT=100
192Au 4.94 h 1- %K+%β+=100
192m1Au 29 ms (5) + %IT=100
192m2Au 160 ms (11-) %IT=100
193Au 17.65 h 3/2+ %K+%β+=100
193m1Au 3.9 s 11/2- %IT=99.97, %K+%β+ ~ 0.03
194Au 38.02 h 1- %K+%β+=100
194m1Au 600 ms (5+ ) %IT=100
194m2Au 420 ms (11-) %IT=100
195Au 186.09 d 3/2+ %K=100
195m1Au 30.5 s 11/2- %IT=100
196Au 6.183 d 2- %K+%β+=92.80 , %β- =7.20
196m1Au 8.1 s 5+ %IT=100
196m2Au 9.6 h 12- %IT=100
197Au stable 3/2+ %Abundance=100
197m1Au 7.73 s 11/2- %IT=100
198Au 2.69517 d 2- %β-=100
198m1Au 2.27 d (12-) %IT=100
199Au 3.139 d 3/2+ %β-=100
200Au 48.4 m 1(-) %β-=100
200m1Au 18.7 h 12- %β-=82 , %IT=18
201Au 26 m 3/2+ %β-=100
202Au 28.8 s (1-) %β-=100
203Au 53 s 3/2+ %β-=100
204Au 39.8 s (2-) %β-=100
205Au 31 s (3/2+ ) %β-=100

Mercury

Isotope Half-life Spin Parity Mode(s) or Abundance
175Hg 20 ms %α=100
176Hg 18 ms 0+ %α ~ 100
177Hg 0.130 s %α=85, %K+%β+=15
178Hg 266 ms 0+ %K+%β+=?, %α ~ 100
179Hg 1.09 s %K+%β+ ~ 47, %α ~ 53, %Kp ~ 0.15
180Hg 2.8 s 0+ %K+%β+=52 , %α=48
181Hg 3.6 s 1/2(-) %K+%β+=64 , %α=36 , %Kp=0.014 , %Kα=9E-6
182Hg 10.83 s 0+ %K+%β+=84.8 , %α=15.2
183Hg 9.4 s 1/2- %K+%β+=88.3 , %α=11.7 , %Kp=0.00056
184Hg 30.9 s 0+ %K+%β+=98.74 , %α=1.26
185Hg 49.1 s 1/2- %K+%β+=94 , %α=6
185m1Hg 21.6 s 13/2+ %IT=54 , %K+%β+=46 , %α ~ 0.03
186Hg 1.38 m 0+ %K+%β+=99.982 , %α=0.018
187Hg 2.4 m 13/2+ %K+%β+=100, %α>1.2E-4
187m1Hg 1.9 m 3/2- %K+%β+=100, %α>2.5E-4
188Hg 3.25 m 0+ %K+%β+=100, %α=4.0E-5
189Hg 7.6 m 3/2- %K+%β+=100, %α < 3E-5
189m1Hg 8.6 m 13/2+ %K+%β+=100, %α < 3E-5
190Hg 20.0 m 0+ %K+%β+=100, %α < 5E-5
191Hg 49 m (3/2-) %K+%β+=100
191m1Hg 50.8 m 13/2+ %K+%β+=100
192Hg 4.85 h 0+ %K=100, %α < 4E-6
193Hg 3.80 h 3/2- %K+%β+=100
193m1Hg 11.8 h 13/2+ %K+%β+=92.8 , %IT=7.2
194Hg 444 a 0+ %K=100
195Hg 9.9 h 1/2- %K+%β+=100
195m1Hg 41.6 h 13/2+ %IT=54.2 , %K+%β+=45.8
196Hg stable 0+ %Abundance=0.15
197Hg 64.14 h 1/2- %K=100
197m1Hg 23.8 h 13/2+ %K=8.6 , %IT=91.4
198Hg stable 0+ %Abundance=9.97
199Hg stable 1/2- %Abundance=16.87
199m1Hg 42.6 m 13/2+ %IT=100
200Hg stable 0+ %Abundance=23.10
201Hg stable 3/2- %Abundance=13.18
202Hg stable 0+ %Abundance=29.86
203Hg 46.612 d 5/2- %β-=100
204Hg stable 0+ %Abundance=6.87
205Hg 5.2 m 1/2- %β-=100
205m1Hg 1.10 ms (13/2+ ) %IT=100
206Hg 8.15 m 0+ %β-=100
207Hg 2.9 m (9/2+ ) %β-=100
208Hg 42 m 0+ %β-=100

Thallium

Isotope Half-life Spin Parity Mode(s) or Abundance
179Tl 0.16 s %α ~ 100
179m1Tl 1.4 ms (9/2-) %α ~ 100
180Tl 0.70 s %K+%β+=?, %KSF ~ 1.0E-4
181Tl (1/2+ )
181m1Tl 3.4 s (9/2-) %α=?
182Tl 3.1 s (7+ ) %K+%β+ > 96, %α < 4
183Tl (1/2+ )
183m1Tl 60 ms (9/2-) %α < 0.010
184Tl 11 s %K+%β+=97.9 , %α=2.1
185Tl 19.5 s (1/2+ ) %K+%β+=?
185m1Tl 1.83 s (9/2-) %IT=?, %α=?
186Tl 27.5 s (7+ ) %K+%β+=100, %α ~ 0.006
186m1Tl 2.9 s (10- ) %IT=100
187Tl 51 s (1/2+ ) %K+%β+=?, %α=?
187m1Tl 15.60 s (9/2-) %α=?, %K+%β+=?, %IT=?
188Tl 71 s (2-) %K+%β+=100
188m1Tl 71 s (7+ ) %K+%β+=100
188m2Tl 41 ms (9-) %IT=100
189Tl 2.3 m (1/2+ ) %K+%β+=100
189m1Tl 1.4 m (9/2-) %K+%β+=100, %IT<4
190Tl 2.6 m (2) - %K+%β+=100
190m1Tl 3.7 m (7+ ) %K+%β+=100
191Tl (1/2+ )
191m1Tl 5.22 m 9/2(-) %K+%β+=100
192Tl 9.6 m (2-) %K+%β+=100
192m1Tl 10.8 m (7+ ) %K+%β+=100
193Tl 21.6 m 1/2+ %K+%β+=100
193m1Tl 2.11 m 9/2- %IT=75, %K+%β+=25
194Tl 33.0 m 2- %K+%β+=100 , %α < 1E-7
194m1Tl 32.8 m (7+ ) %K+%β+=100
195Tl 1.16 h 1/2+ %K+%β+=100
195m1Tl 3.6 s 9/2- %IT=100
196Tl 1.84 h 2- %K+%β+=100
196m1Tl 1.41 h (7+ ) %K+%β+=95.5 , %IT=4.5
197Tl 2.84 h 1/2+ %K+%β+=100
197m1Tl 0.54 s 9/2- %IT=100
198Tl 5.3 h 2- %K+%β+=100
198m1Tl 1.87 h 7+ %IT=46 , %K+%β+=54
198m2Tl 32.1 ms (10- ) %IT=100
199Tl 7.42 h 1/2+ %K+%β+=100
199m1Tl 28.4 ms 9/2- %IT=100
200Tl 26.1 h 2- %K+%β+=100
200m1Tl 34.3 ms 7+ %IT=100
201Tl 72.912 h 1/2+ %K=100
201m1Tl 2.035 ms (9/2-) %IT=100
202Tl 12.23 d 2- %K+%β+=100
202m1Tl 572 μs 7+
203Tl stable 1/2+ %Abundance=29.524
204Tl 3.78 a 2- %β-=97.10 , %K+%β+=2.90
205Tl stable 1/2+ %Abundance=70.476
206Tl 4.199 m 0- %β-=100
206m1Tl 3.74 m (12-) %IT=100
207Tl 4.77 m 1/2+ %β-=100
207m1Tl 1.33 s 11/2- %IT=100, %β- < 0.1
208Tl 3.053 m 5(+) %β-=100
209Tl 2.20 m (1/2+ ) %β-=100
210Tl 1.30 m (5+ ) %β-=100, %β-n=0.007 +7- 4



Lead

Isotope Half-life Spin Parity Mode(s) or Abundance
181Pb 45 ms (13/2+ ) %α ~ 98
182Pb 55 ms 0+ %α=?
183Pb 300 ms (1/2-) %α ~ 94, %K+%β+ ~ 6
184Pb 0.55 s 0+ %α=?
185Pb 4.1 s %α < 100
186Pb 4.83 s 0+ %α=54 , %K+%β+=46
187Pb 18.3 s (13/2+ ) %K+%β+=98.0, %α=2.0
187m1Pb 15.2 s %α=?, %K+%β+=?
188Pb 24 s 0+ %K+%β+=91.5 , %α=8.5
189Pb 51 s %K+%β+ > 99, %α ~ 0.4
190Pb 1.2 m 0+ %K+%β+=99.79 , %α=0.21
191Pb 1.33 m (3/2-) %K+%β+=99.987 , %α=0.013
191m1Pb 2.18 m (13/2+ ) %K+%β+=100, %α ~ 0.02
192Pb 3.5 m 0+ %K+%β+=99.9941 , %α=0.0059
193Pb 2 m (3/2-) %K+%β+=?
193m1Pb 5.8 m (13/2+ ) %K+%β+=100
194Pb 12.0 m 0+ %K+%β+=100, %α=7.3E-6
195Pb 15 m 3/2- %K+%β+=100
195m1Pb 15.0 m 13/2+ %K+%β+=100
196Pb 37 m 0+ %K+%β+=100, %α < 3E-5
197Pb 8 m 3/2- %K+%β+=100
197m1Pb 43 m 13/2+ %K+%β+=81 , %IT=19
198Pb 2.40 h 0+ %K+%β+=100
199Pb 90 m 3/2- %K+%β+=100
199m1Pb 12.2 m 13/2+ %IT=93, %K+%β+=7
200Pb 21.5 h 0+ %K=100
201Pb 9.33 h 5/2- %K+%β+=100
201m1Pb 61 s 13/2+ %IT>99, %K+%β+<1
202Pb 5.25e4 a 0+ %K=100, %α<1
202m1Pb 3.53 h 9- %IT=90.5 , %K+%β+=9.5
203Pb 51.873 h 5/2- %K=100
203m1Pb 6.3 s 13/2+ %IT=100
203m2Pb 0.48 s 29/2- %IT=100
204Pb 1.4e17 a 0+ %Abundance=1.4
204m1Pb 67.2 m 9- %IT=100
205Pb 1.53e+7 a 5/2- %K=100
205m1Pb 5.54 ms 13/2+ %IT=100
206Pb stable 0+ %Abundance=24.1
207Pb stable 1/2- %Abundance=22.1
207m1Pb 0.805 s 13/2+ %IT=100
208Pb stable 0+ %Abundance=52.4
209Pb 3.253 h 9/2+ %β-=100
210Pb 22.3 a 0+ %β-=100, %α=1.9E-6
211Pb 36.1 m 9/2+ %β- =100
212Pb 10.64 h 0+ %β-=100
213Pb 10.2 m (9/2+ ) %β-=100
214Pb 26.8 m 0+ %β-=100
215Pb 36 s (5/2+ ) %β-=100

Bismuth

Isotope Half-life Spin Parity Mode(s) or Abundance
185Bi 44 μs (1/2+ ) %p ~ 100
186Bi 15.0 ms (3+ ) %α ~ 100
186m1Bi 9.8 ms (10- ) %α ~ 100
187Bi 35 ms (9/2-) %α>50
187m1Bi 0.8 ms (1/2+ )
188Bi 0.21 s %α=?, %K+%β+=?
188m1Bi 44 ms %α=?, %K+%β+=?
189Bi 680 ms (9/2-) %α > 50, %K+%β+ < 50
189m1Bi 5 ms (1/2+ ) %α > 50, %K+%β+ < 50
190Bi 6.3 s (3+ ) %α=80 , %K+%β+=20
190m1Bi 6.2 s (10- ) %α=70 , %K+%β+=30
191Bi 12 s (9/2-) %α=60 , %K+%β+=40
191m1Bi 150 ms (1/2+ ) %α > 50, %K+%β+ < 50
192Bi 37 s (2+ , 3+ ) %K+%β+=82 , %α=18
192m1Bi 39.6 s (10- ) %K+%β+=90.8 , %α=9.2
193Bi 67 s (9/2-) %K+%β+=96.5 , %α=3.5
193m1Bi 3.2 s (1/2+ ) %α=90 +10-20, %K+%β+=10 +20-10
194Bi 95 s (3+ ) %K+%β+=99.54 , %α=0.46
194m1Bi 115 s (10- ) %K+%β+=99.80 , %α=0.20
194m2Bi 125 s (6+ , 7+ ) %K+%β+=100
195Bi 183 s (9/2-) %K+%β+=99.967 , %α=0.033
195m1Bi 87 s (1/2+ ) %K+%β+=67 , %α=33
196Bi 308 s (3+ ) %K+%β+=100, %α=0.00115
196m1Bi 0.6 s (7+ ) %IT=100
196m2Bi 240 s (10- ) %K+%β+=74.2 , %IT=25.8 , %α=0.00038
197Bi 9.33 m (9/2-) %K+%β+=100, %α=1E-4 sys
197m1Bi 5.04 m (1/2+ ) %K+%β+=45 , %α=55 , %IT < 0.3
198Bi 10.3 m (2+ , 3+ ) %K+%β+=100
198m1Bi 11.6 m (7+ ) %K+%β+=100
198m2Bi 7.7 s (10- ) %IT=100
199Bi 27 m 9/2- %K+%β+=100
199m1Bi 24.70 m (1/2+ ) %K+%β+=99 , %α ~ 0.01, %IT < 2
200Bi 36.4 m 7+ %K+%β+=100
200m1Bi 31 m (2+ ) %K+%β+ > 90, %IT < 10
200m2Bi 0.40 s (10- ) %IT=100
201Bi 108 m 9/2- %K+%β+=100, %α < 1E-4
201m1Bi 59.1 m 1/2+ %K > 93, %IT < 6.8, %α ~ 0.3
202Bi 1.72 h 5+ %K+%β+=100, %α<1E-5
203Bi 11.76 h 9/2- %K+%β+=100, %α ~ 1E-5
203m1Bi 303 ms 1/2+ %IT=100
204Bi 11.22 h 6+ %K+%β+=100
204m1Bi 13.0 ms 10- %IT=100
204m2Bi 1.07 ms (17+ ) %IT=100
205Bi 15.31 d 9/2- %K+%β+=100
206Bi 6.243 d 6(+) %K+%β+=100
207Bi 31.55 a 9/2- %K+%β+=100
208Bi 3.68e+5 a (5) + %K+%β+=100
208m1Bi 2.58 ms (10) - %IT=100
209Bi stable 9/2- %Abundance=100
210Bi 5.013 d 1- %β-=100, %α=1.32E-4
210m1Bi 3.04e+6 a 9- %α=100
211Bi 2.14 m 9/2- %α=99.724 , %β-=0.276
212Bi 60.55 m 1(-) %β-=64.06 , %α=35.94 , %β-α=0.023
212m1Bi 25.0 m (9-) %α=67 , %β-=33 , %β-α=30
212m2Bi 7.0 m %β- ~ 100
213Bi 45.59 m 9/2- %β-=97.91 , %α=2.09
214Bi 19.9 m 1- %β-=99.979 , %α=0.021
215Bi 7.6 m %β-=100
216Bi 3.6 m (1-) %β- ~ 100
217Bi 97 s (9/2-) %β-=100

Polonium

Isotope Half-life Spin Parity Mode(s) or Abundance
190Po 2.0 ms 0+ %α=100, %K+%β+=0.1 sys
191Po 15.5 ms %α=?
192Po 0.0332 s 0+ %α=100
193Po 0.42 s (3/2- ) %α=?
193m1Po 0.24 s (13/2+ ) %α=?
194Po 0.392 s 0+ %α=93
195Po 4.64 s (3/2- ) %α=75 , %K+%β+=25
195m1Po 1.92 s (13/2+ ) %α ~ 90, %K+%β+ ~ 10, %IT < 0.01
196Po 5.8 s 0+ %α ~ 98, %K+%β+ ~ 2
197Po 53.6 s (3/2- ) %K+%β+=56 , %α=44
197m1Po 25.8 s (13/2+ ) %α=84 , %K+%β+=16 , %IT=0.01 sys
198Po 1.77 m 0+ %α=57 , %K+%β+=43
199Po 5.48 m 3/2- %K+%β+=88 , %α=12
199m1Po 4.13 m 13/2+ %K+%β+=59 , %α=39 , %IT=2.1
200Po 11.5 m 0+ %α=11.1 , %K+%β+=88.9
201Po 15.3 m 3/2- %K+%β+=98.4 , %α=1.6
201m1Po 8.9 m 13/2+ %IT=56 , %K=41 , %α ~ 2.9
202Po 44.7 m 0+ %K+%β+=98.08 , %α=1.92
202m1Po 85 ns 8+
202m2Po 200 ns 11-
202m3Po 19 ns 12+
202m4Po 11 ns (15-)
203Po 36.7 m 5/2- %K+%β+=99.89 , %α=0.11
203m1Po 45 s 13/2+ %IT ~ 100 , %α ~ 0.04 sys
204Po 3.53 h 0+ %K+%β+=99.34 , %α=0.66
205Po 1.66 h 5/2- %K+%β+=99.96 , %α=0.04
205m1Po 58 ms 19/2- %IT=100
206Po 8.8 d 0+ %K+%β+=94.55 , %α=5.45
207Po 5.80 h 5/2- %K+%β+=99.979 , %α=0.021
207m1Po 2.8 s 19/2- %IT=100
208Po 2.898 a 0+ %α=99.9958 , %K+%β+=0.0042
209Po 102 a 1/2- %α=99.52 , %K+%β+=0.48
210Po 138.376 d 0+ %α=100
211Po 0.516 s 9/2+ %α=100
211m1Po 25.2 s (25/2+ ) %α=99.984 , %IT=0.016
212Po 0.299 μs 0+ %α=100
212m1Po 45.1 s (18+) %α=99.93 , %IT=0.07
213Po 4.2 μs 9/2+ %α=100
214Po 164.3 μs 0+ %α=100
215Po 1.781 ms 9/2+ %α=99.99977 , %β-=2.3E-4
216Po 0.145 s 0+ %α=100
217Po 10 s %α > 95, %β- < 5
218Po 3.10 m 0+ %α=99.980 , %β-=0.020

Astatine

Isotope Half-life Spin Parity Mode(s) or Abundance
193At 40 ms %α=?
194At 40 ms %α=?
194m1At 250 ms %α=?
195At 0.63 s %α > 75, %K+%β+ < 25
196At 0.253 s %α ~ 100
197At 0.35 s (9/2- ) %α=96 , %K+%β+=4
197m1At 3.7 s (1/2+ ) %α=?, %K+%β+=?
198At 4.2 s (3+ ) %α=90 , %K+%β+=10
198m1At 1.0 s (10- ) %α=84 , %K+%β+=16
199At 7.2 s (9/2- ) %α=90 , %K+%β+=10
200At 43 s (3+ ) %α=57 , %K+%β+=43
200m1At 47 s (7+) %α=43 , %K+%β+ < 57
200m2At 3.5 s (10- ) %α ~ 10.5, %IT ~ 85, %K ~ 4.5
201At 89 s (9/2- ) %α=71 , %K+%β+=29
202At 184 s (2,3)+ %K+%β+=82 , %α=18
202m1At 182 s (7+) %K+%β+=91.3, %α=8.7
202m2At 0.46 s (10- ) %IT=99.7 , %K+%β+=0.25 sys %α=0.096
203At 7.4 m 9/2- %K+%β+=69 , %α=31
204At 9.2 m 7+ %K+%β+=96.2 , %α=3.8
204m1At 108 ms (10- ) %IT=100
205At 26.2 m 9/2- %K+%β+=90 , %α=10
206At 30.0 m (5)+ %K+%β+=99.11 , %α=0.89
207At 1.80 h 9/2- %K+%β+=91.4 , %α=8.6
208At 1.63 h 6+ %K+%β+=99.45 , %α=0.55
209At 5.41 h 9/2- %K+%β+=95.9 , %α=4.1
210At 8.1 h (5)+ %K+%β+=99.825 , %α=0.175
211At 7.214 h 9/2- %α=41.80 , %K=58.20
212At 0.314 s (1- ) %α=100, %β- < 2E-6, %K+%β+ < 3E-2
212m1At 0.119 s (9-) %α > 99, %IT < 1
213At 125 ns 9/2- %α=100
214At 558 ns 1- %α=100
214m1At 265 ns
214m2At 760 ns 9-
215At 0.10 ms 9/2- %α=100
216At 0.30 ms 1- %α=100, %K<3E-7, %β-<6E-3
216m1At 0.1 ms (9-)
217At 32.3 ms 9/2- %α=99.988 , %β-=0.012
218At 1.5 s %α=99.9 , %β-=0.1
219At 56 s %α ~ 97, %β- ~ 3
220At 3.71 m 3 %α=8 , %β-=92
221At 2.3 m %β-=100
222At 54 s %β-=100
223At 50 s %β-=100, %α=0.008 sys

Radon

Isotope Half-life Spin Parity Mode(s) or Abundance
196Rn 3 ms 0+ %α ~ 100
197Rn 65 ms (3/2- ) %α ~ 100
197m1Rn 19 ms (13/2+ ) %α ~ 100
198Rn 64 ms 0+ %α=100
199Rn 0.62 s (3/2- ) %α=94 sys, %K+%β+=6 sys
199m1Rn 0.32 s (13/2+ ) %α=97 sys, %K+%β+=3 sys
200Rn 0.96 s 0+ %α=86 +14-4, %K+%β+<18
201Rn 7.0 s (3/2- ) %α ~ 80 , %K+%β+ ~ 20
201m1Rn 3.8 s (13/2+ ) %α ~ 90, %K+%β+ ~ 10, %IT ~ 0
202Rn 10.0 s 0+ %α=86 , %K+%β+=14
203Rn 45 s (3/2,5/2)- %α=66 , %K+%β+=34
203m1Rn 28 s (13/2+ ) %α ~ 80 sys%K+%β+ ~ 20 sys
204Rn 1.24 m 0+ %α=73 , %K+%β+=27
205Rn 2.8 m 5/2- %K+%β+=77 , %α=23
206Rn 5.67 m 0+ %α=63 , %K+%β+=37
207Rn 9.25 m 5/2- %K+%β+=79 , %α=21
208Rn 24.35 m 0+ %α=62 , %K+%β+=38
209Rn 28.5 m 5/2- %K+%β+=83 , %α=17
210Rn 2.4 h 0+ %α=96 , %K+%β+=4
211Rn 14.6 h 1/2- %K=72.6 , %α=27.4
212Rn 23.9 m 0+ %α=100
213Rn 25.0 ms (9/2+ ) %α=100
214Rn 0.27 μs 0+ %α=100
214m1Rn 0.69 ns 6+
214m2Rn 6.5 ns 8+
215Rn 2.30 μs 9/2+ %α=100
216Rn 45 μs 0+ %α=100
217Rn 0.54 ms 9/2+ %α=100
218Rn 35 ms 0+ %α=100
219Rn 3.96 s 5/2+ %α=100
220Rn 55.6 s 0+ %α=100
221Rn 25 m 7/2(+) %β-=78 , %α=22
222Rn 3.8235 d 0+ %α=100
223Rn 23.2 m 7/2 %β-=100, %α=0.0004 sys
224Rn 107 m 0+ %β-=100
225Rn 4.5 m 7/2- %β-=100
226Rn 7.4 m 0+ %β-=100
227Rn 22.5 s %β-=100
228Rn 65 s 0+ %β-=100

Francium

Isotope Half-life Spin Parity Mode(s) or Abundance
200Fr 19 ms (3+ ) %α=100
200m1Fr 0.57 s (10- ) %α=100
201Fr 48 ms (9/2- ) %α=100 , %K+%β+ < 1
202Fr 0.34 s (3+ ) %α ~ 97 , %K+%β+ ~ 3
202m1Fr 0.34 s (10- ) %α ~ 97 , %K+%β+ ~ 3
203Fr 0.55 s (9/2- ) %α ~ 95 , %K+%β+ ~ 5
204Fr 1.7 s (3+ ) %α ~ 80, %K+%β+ ~ 20
204m1Fr 2.6 s (7+) %α=?
204m2Fr 1 s (10- ) %α=?
205Fr 3.85 s (9/2- ) %α > 99, %K+%β+ < 1
206Fr 15.9 s (5+) %α=84 , %K+%β+=16
206m1Fr 0.7 s (10- ) %α=0.3 , %IT=?
207Fr 14.8 s 9/2- %α=95 , %K+%β+=5
208Fr 59.1 s 7+ %α=90 , %K+%β+=10
209Fr 50.0 s 9/2- %α=89 , %K+%β+=11
210Fr 3.18 m 6+ %α=60 , %K+%β+=40
211Fr 3.10 m 9/2- %α>80, %K<20
212Fr 20.0 m 5+ %K+%β+=57 , %α=43
213Fr 34.6 s 9/2- %α=99.45 , %K+%β+=0.55
214Fr 5.0 ms (1- ) %α=100
214m1Fr 3.35 ms (8-) %α=100
215Fr 86 ns 9/2- %α=100
215m1Fr 3.5 ns (23/2)-
216Fr 0.70 μs (1- ) %α=100, %K<2E-7 sys
217Fr 22 μs 9/2- %α=100
218Fr 1.0 ms 1- %α=100
218m1Fr 22.0 ms %α < 100 , %IT=?
219Fr 20 ms 9/2- %α=100
220Fr 27.4 s 1+ %α=99.65 , %β-=0.35
221Fr 4.9 m 5/2- %α=100, %γ=8.8E-11
222Fr 14.2 m 2- %β-=100
223Fr 21.8 m 3/2(-) %β-=99.994, %α=0.006
224Fr 3.33 m 1- %β-=100
225Fr 4.0 m 3/2- %β-=100
226Fr 49 s 1- %β-=100
227Fr 2.47 m 1/2+ %β-=100
228Fr 38 s 2- %β-=100
229Fr 50 s %β-=100
230Fr 19.1 s %β-=100
231Fr 17.5 s %β-=100
232Fr 5 s %β-=100

Radium

Isotope Half-life Spin Parity Mode(s) or Abundance
202Ra 0.7 ms 0+ %α=100
203Ra 1.0 ms (3/2- ) %α ~ 100
203m1Ra 33 ms (13/2+ ) %α ~ 100
204Ra 59 ms 0+ %α ~ 100
205Ra 210 ms (3/2- ) %α=?
205m1Ra 170 ms (13/2+ ) %α=?
206Ra 0.24 s 0+ %α ~ 100
207Ra 1.3 s (5/2,3/2)- %α ~ 90, %K+%β+ ~ 10
207m1Ra 55 ms (13/2+ ) %IT=85 sys%α=15 sys %K+%β+ ~ 0.55
208Ra 1.3 s 0+ %α=95 sys %K+%β+=5 sys
209Ra 4.6 s 5/2- %α ~ 90, %K+%β+ ~ 10
210Ra 3.7 s 0+ %α ~ 96, %K+%β+ ~ 4
211Ra 13 s 5/2(-) %α > 93, %K < 7
212Ra 13.0 s 0+ %α ~ 85, %K+%β+ ~ 15
213Ra 2.74 m 1/2- %α=80 , %K+%β+=20
213m1Ra 2.1 ms %IT ~ 99, %α ~ 1
214Ra 2.46 s 0+ %α=99.941 , %K=0.059
215Ra 1.59 ms (9/2+ ) %α=100
216Ra 182 ns 0+ %α=100, %K<1E-8
217Ra 1.6 μs (9/2+ ) %α=100
218Ra 25.6 μs 0+ %α=100
219Ra 10 ms (7/2)+ %α=100
220Ra 18 ms 0+ %α=100
221Ra 28 s 5/2+ %α=100, %γ=1.2E-10
222Ra 38.0 s 0+ %α=100, %14C=3.0E-8
223Ra 11.435 d 3/2+ %α=100, %14C=6.4E-8
224Ra 3.66 d 0+ %α=100, %14C=4.3E-9
225Ra 14.9 d 1/2+ %β-=100
226Ra 1600 a 0+ %α=100, %14C=3.2E-9
227Ra 42.2 m 3/2+ %β-=100
228Ra 5.75 a 0+ %β-=100
229Ra 4.0 m 5/2(+) %β-=100
230Ra 93 m 0+ %β-=100
231Ra 103 s (7/2-,1/2+ ) %β-=100
232Ra 250 s 0+ %β-=100
233Ra 30 s %β-=100
234Ra 30 s 0+ %β-=100

Actinium

Isotope Half-life Spin Parity Mode(s) or Abundance
206Ac 22 ms (3+ ) %α=?
206m1Ac 33 ms (10- )
207Ac 22 ms (9/2- ) %α ~ 100
208Ac 95 ms (3+ ) %α=?
208m1Ac 25 ms (10- ) %α=?
209Ac 0.10 s (9/2- ) %α ~ 99, %K+%β+ ~ 1
210Ac 0.35 s %α ~ 96, %K+%β+ ~ 4
211Ac 0.25 s %α ~ 100
212Ac 0.93 s %α ~ 97, %K+%β+ ~ 3
213Ac 0.80 s %α < 100
214Ac 8.2 s %α > 89 , %K < 11
215Ac 0.17 s 9/2- %α=99.91 , %K+%β+=0.09
216Ac 0.33 ms (1- ) %α=100
216m1Ac 0.33 ms (9-)
217Ac 69 ns 9/2- %α=100, %K+%β+ < 2
217m1Ac 740 ns (29/2)+
218Ac 1.08 μs (1- ) %α=100
219Ac 11.8 μs 9/2- %α=100, %K+%β+ ~ 1E-6
220Ac 26.4 ms (3-) %α=100
221Ac 52 ms (3/2- ) %α=100
222Ac 5.0 s 1- %α=99 , %K+%β+=1
222m1Ac 63 s %α > 88, %IT < 10 , %K+%β+ < 2
223Ac 2.10 m (5/2- ) %α=99, %K=1
224Ac 2.78 h 0- %K=90.9 +14-20, %α=9.1 +20-14, %β- < 1.6 sys
225Ac 10.0 d (3/2- ) %α=100, %14C=6.0E-10
226Ac 29.37 h (1) %α=6E-3 , %β-=83 , %K=17
227Ac 21.773 a 3/2- %β-=98.620 , %α=1.380
228Ac 6.15 h 3+ %β-=100
229Ac 62.7 m (3/2+ ) %β-=100
230Ac 122 s (1+ ) %β-=100
231Ac 7.5 m (1/2+ ) %β-=100
232Ac 119 s (1+ ) %β-=100
233Ac 145 s (1/2+ ) %β-=100
234Ac 44 s %β-=100

Thorium

Isotope Half-life Spin Parity Mode(s) or Abundance
210Th 9 ms 0+ %α ~ 100
211Th 37 ms %α=?, %K=?
212Th 30 ms 0+ %α=100, %K+%β+ ~ 0.3
213Th 140 ms %α < 100
214Th 100 ms 0+ %α=100
215Th 1.2 s (1/2- ) %α=100
216Th 0.028 s 0+ %α=100, %K+%β+ ~ 0.01 sys
216m1Th 180 μs (8+,11- )
217Th 0.252 ms (9/2+ ) %α=100
218Th 109 ns 0+ %α=100
219Th 1.05 μs %α=100, %K+%β+ ~ 1E-7
220Th 9.7 μs 0+ %α=100, %K=2E-7 sys
221Th 1.68 ms (7/2+ ) %α=100
222Th 2.8 ms 0+ %α=100
223Th 0.60 s (5/2)+ %α=100
224Th 1.05 s 0+ %α=100
225Th 8.72 m (3/2)+ %α ~ 90, %K ~ 10
226Th 30.57 m 0+ %α=100
227Th 18.72 d (1/2+ ) %α=100
228Th 1.9116 a 0+ %α=100, %20O=1.13E-11
229Th 7340 a 5/2+ %α=100
230Th 7.538e+4 a 0+ %α=100, %24NE=5.6E-11 , %SF < 3.8E-12
231Th 25.52 h 5/2+ %β-=100, %α ~ 1E-8
232Th 1.405e10 a 0+ %Abundance=100, %α=100 , %SF<1.8E-9
233Th 22.3 m 1/2+ %β-=100
234Th 24.10 d 0+ %β-=100
235Th 7.1 m (1/2+ ) %β-=100
236Th 37.5 m 0+ %β-=100
237Th 5.0 m %β-=100

Protactinium

Isotope Half-life Spin Parity Mode(s) or Abundance
<212Pa 5.1 ms (3+ ) %α=?
213Pa 5.3 ms %α=?
214Pa 17 ms %α=?
215Pa 14 ms %α=100
216Pa 0.20 s %K ~ 2 sys %α ~ 98 sys
217Pa 4.9 ms %α =100
217m1Pa 1.6 ms %α < 100
218Pa 0.12 ms %α=100
219Pa 53 ns 9/2- %α=100, %K+%β+ ~ 5E-9
220Pa 0.78 μs %α=100, %K+%β+=3E-7 sys
221Pa 5.9 μs 9/2- %α=100
222Pa 2.9 ms %α=100
223Pa 6.5 ms %α=100, %K+%β+ < 1.0E-3
224Pa 0.79 s %α=100
225Pa 1.7 s %α=100
226Pa 1.8 m %α=74 , %K+%β+=26
227Pa 38.3 m (5/2- ) %α=85 , %K=15
228Pa 22 h 3+ %K+%β+=98.0 , %α=2.0
229Pa 1.50 d (5/2+ ) %K=99.52 , %α=0.48
230Pa 17.4 d (2- ) %K+%β+=91.6 , %β-=8.4 , %α=0.0032
231Pa 32760 a 3/2- %α=100, %SF < 1.6E-11
232Pa 1.31 d (2- ) %β-=99.997 , %K=0.003
233Pa 26.967 d 3/2- %β-=100
234Pa 6.70 h 4+ %β-=100, %SF < 3E-10
234m1Pa 1.17 m (0- ) %β-=99.84 , %IT=0.16 , %SF < 1E-9
235Pa 24.5 m (3/2- ) %β-=100
236Pa 9.1 m 1(-) %β-=100
237Pa 8.7 m (1/2+ ) %β-=100
238Pa 2.3 m (3-) %β-=100, %SF < 2.6E-6

Uranium

Isotope Half-life Spin Parity Mode(s) or Abundance
218U 1.5 ms 0+ %α=100
219U 42 μs %α=?
220U
221U
222U 1.0 μs 0+ %α=100
223U 18 μs %α=?
224U 0.9 ms 0+ %α=100
225U 95 ms %α=100
226U 0.35 s 0+ %α=100
227U 1.1 m (3/2+ ) %α=100, %K+%β+ < 0.001
228U 9.1 m 0+ %K<5, %α>95
229U 58 m (3/2+ ) %K+%β+ ~ 80, %α ~ 20
230U 20.8 d 0+ %α=100, %SF < 1.4E-10
231U 4.2 d (5/2- ) %K=100, %α ~ 0.0055
232U 68.9 a 0+ %α=100, %24NE=9E-11
233U 1.592e+5 a 5/2+ %α=100, %SF < 6E-11, %24NE < 9.5E-11
234U 2.455e+5 a 0+ %Abundance=0.0055, %α=100, %SF=1.64E-9 , %nE=9E-12 , %MG=1.4E-11
235U 7.038e+8 a 7/2- %Abundance=0.7200, %α=100, %SF=7.0E-9 , %20NE=8E-10
235m1U 25 m 1/2+ %IT=100
236U 2.342e7 a 0+ %α=100, %SF=9.4E-8
237U 6.75 d 1/2+ %β-=100
238U 4.468e+9 a 0+ %Abundance=99.2745, %α=100, %SF=5.45E-5 , %ββ=2.2E-10
238m1U 225 ns 0+
238m2U 1 ns
239U 23.45 m 5/2+ %β-=100
240U 14.1 h 0+ %β-=100
241U
242U 16.8 m 0+ %β-=100

Neptunium

Isotope Half-life Spin Parity Mode(s) or Abundance
225Np 6 ms %α=?
226Np 35 ms %α=100
227Np 0.51 s %α=100, %K+%β+ ~ 0.05
228Np 61.4 s %K=60 , %α=40 , %KSF=0.020
229Np 4.0 m %α > 50, %K < 50
230Np 4.6 m %K+%β+ < 97, %α > 3
231Np 48.8 m (5/2) %K=98 , %α=2
232Np 14.7 m (4+ ) %K+%β+=100
233Np 36.2 m (5/2+ ) %K=100, %α < 0.001
234Np 4.4 d (0+ ) %K+%β+=100
235Np 396.1 d 5/2+ %K=99.99740 , %α=0.00260
236Np 1.54e5 a (6-) %K=87.3 , %β-=12.5 , %α=0.16
236m1Np 22.5 h 1 %K=52 , %β-=48
237Np 2.144e+6 a 5/2+ %α=100, %SF < 2E-10
237m1Np 45 ns
238Np 2.117 d 2+ %β-=100
238m1Np 112 ns
239Np 2.3565 d 5/2+ %β-=100
240Np 61.9 m (5+) %β-=100
240m1Np 7.22 m 1(+) %β-=99.89 , %IT=0.11
241Np 13.9 m (5/2+ ) %β-=100
242Np 5.5 m (6) %β-=100
242m1Np 2.2 m (1+ ) %β-=100
243Np 1.8 m (5/2- ) %β-=100
244Np 2.29 m (7-) %β-=100

Plutonium

Isotope Half-life Spin Parity Mode(s) or Abundance
228Pu 4 ms 0+ %α=100
229Pu %α=?
230Pu 0+ %α=?
231Pu
232Pu 34.1 m 0+ %K=77 , %α=23
233Pu 20.9 m %K+%β+=99.88 , %α=0.12
234Pu 8.8 h 0+ %K ~ 94, %α ~ 6
234m1Pu 3 ns
235Pu 25.3 m (5/2+ ) %K+%β+=99.9973 , %α=0.0027
235m1Pu 25 ns
236Pu 2.858 a 0+ %α=100, %SF=1.37E-7
236m1Pu 37 ps (0+ )
236m2Pu 34 ns
237Pu 45.2 d 7/2- %α=0.0042 , %K=99.9958
237m1Pu 0.18 s 1/2+ %IT=100
237m2Pu 85 ns
237m3Pu 1.1 μs
238Pu 87.7 a 0+ %α=100, %SF=1.85E-7 , %MG ~ 6E-15, %SI ~ 1.4E-14
238m1Pu 0.6 ns
238m2Pu 6.0 ns (0+ )
239Pu 24110 a 1/2+ %α=100, %SF=3.0E-10
239m1Pu 7.5 μs (5/2+ )
239m2Pu 2.6 ns (9/2- )
240Pu 6563 a 0+ %α=100 , %SF=5.75E-6
241Pu 14.35 a 5/2+ %β-=99.998, %α=0.00245 , %SF ~ 2.4E-14
241m1Pu 21 μs
241m2Pu 32 ns
242Pu 3.733e+5 a 0+ %α=100 , %SF=5.54E-4
243Pu 4.956 h 7/2+ %β-=100
243m1Pu 45 ns
244Pu 8.08e+7 a 0+ %α=99.879 , %SF=0.121 , %ββ < 3E-11
245Pu 10.5 h (9/2- ) %β-=100
245m1Pu 90 ns
246Pu 10.84 d 0+ %β-=100
247Pu 2.27 d %β-=100

Americium

Isotope Half-life Spin Parity Mode(s) or Abundance
232Am 79 s %K ~ 98, %α ~ 2, %KSF=0.069
233Am
234Am 2.32 m %K=99.961 , %α=0.039 , %KSF=0.0066
235Am 15 m %K+%β+=?, %α=?
236Am %K=?, %α=?
237Am 73.0 m 5/2(-) %α=0.025 , %K=99.975
237m1Am 5 ns
238Am 98 m 1+ %K+%β+>99.99, %α=1.0E-4
238m1Am 35 μs
239Am 11.9 h (5/2)- %K=99.990 , %α=0.010
239m1Am 163 ns (7/2+ )
240Am 50.8 h (3-) %K=100, %α=1.9E-4
241Am 432.2 a 5/2- %α=100, %SF=4.3E-10
241m1Am 1.2 μs
242Am 16.02 h 1- %β-=82.7 , %K=17.3
242m1Am 141 a 5- %IT=99.541 , %α=0.459 , %SF < 4.7E-9
242m2Am 14.0 ms %SF=?, %IT=?
243Am 7370 a 5/2- %α=100, %SF=3.7E-9
243m1Am 5.5 μs
244Am 10.1 h (6-) %β-=100
244m1Am 26 m 1+ %β-=99.9639 , %K=0.0361
245Am 2.05 h (5/2)+ %β-=100
245m1Am 0.64 μs
246Am 39 m (7-) %β-=100
246m1Am 25.0 m 2(-) %β-=100, %IT<0.01
246m2Am 73 μs
247Am 23.0 m (5/2) %β-=100

Curium

Isotope Half-life Spin Parity Mode(s) or Abundance
238Cm 2.4 h 0+ %K=96.16 , %α=3.84
239Cm 2.9 h (7/2- ) %K= 100, %α < 0.1
240Cm 27 d 0+ %α > 99.5 , %K < 0.5 , %SF=3.9E-6
241Cm 32.8 d 1/2+ %K=99.0 , %α=1.0
241m1Cm 15.3 ns
242Cm 162.8 d 0+ %α=100, %SF=6.37E-6
242m1Cm 40 ps
242m2Cm 0.18 μs
243Cm 29.1 a 5/2+ %α=99.71 , %K=0.29 , %SF=5.3E-9
243m1Cm 42 ns
244Cm 18.10 a 0+ %α=100, %SF=1.371E-4
244m1Cm 34 ms 6+ %IT=100, %SF < 7.7E-10
245Cm 8500 a 7/2+ %α=100, %SF=6.1E-7
245m1Cm 13.2 ns
246Cm 4730 a 0+ %α=99.9737 , %SF=0.0263
247Cm 1.56e+7 a 9/2- %α=100
248Cm 3.40e+5 a 0+ %α=91.61 , %SF=8.39
249Cm 64.15 m 1/2(+) %β-=100
250Cm 9000 a 0+ %SF ~ 86, %α ~ 8, %β- ~ 6
251Cm 16.8 m (1/2+ ) %β-=100
252Cm 2 d 0+ %β-=100
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Table_of_nuclides,_73-96". A list of authors is available in Wikipedia.
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