Isotope lists, 73-96

For an overview of available graphical representations, see Table of nuclides.

The tables listed below provide information on the basic properties of all nuclides.

Click an element in the below periodic table to go directly to the table of nuclides for that element.

Isotopes of the chemical elements
Isotope lists: Element 1–24 25–48 49–72 73–96 97+
1 H																	2 He
3 Li	4 Be											5 B	6 C	7 N	8 O	9 F	10 Ne
11 Na	12 Mg											13 Al	14 Si	15 P	16 S	17 Cl	18 Ar
19 K	20 Ca	21 Sc	22 Ti	23 V	24 Cr	25 Mn	26 Fe	27 Co	28 Ni	29 Cu	30 Zn	31 Ga	32 Ge	33 As	34 Se	35 Br	36 Kr
37 Rb	38 Sr	39 Y	40 Zr	41 Nb	42 Mo	43 Tc	44 Ru	45 Rh	46 Pd	47 Ag	48 Cd	49 In	50 Sn	51 Sb	52 Te	53 I	54 Xe
55 Cs	56 Ba	*	72 Hf	73 Ta	74 W	75 Re	76 Os	77 Ir	78 Pt	79 Au	80 Hg	81 Tl	82 Pb	83 Bi	84 Po	85 At	86 Rn
87 Fr	88 Ra	**	104 Rf	105 Db	106 Sg	107 Bh	108 Hs	109 Mt	110 Ds	111 Rg	112 Cn	113 Nh	114 Fl	115 Mc	116 Lv	117 Ts	118 Og

	*	57 La	58 Ce	59 Pr	60 Nd	61 Pm	62 Sm	63 Eu	64 Gd	65 Tb	66 Dy	67 Ho	68 Er	69 Tm	70 Yb	71 Lu
	**	89 Ac	90 Th	91 Pa	92 U	93 Np	94 Pu	95 Am	96 Cm	97 Bk	98 Cf	99 Es	100 Fm	101 Md	102 No	103 Lr
Table of nuclides Categories: Isotopes Tables of nuclides Metastable isotopes Isotopes by element

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

Tantalum

Main article: Isotopes of 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+	%K=86, %β-=14
180m1Ta	stable (>1.2e+15 a)	9-	%Abundance=0.012
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

Main article: Isotopes of 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	1.2e+18 a	0+	%Abundance=0.13, %α=100
180m1W	5.47 ms	8-	%IT=100
181W	121.2 d	9/2+	%K=100
182W	stable (>1.7e+20 a)	0+	%Abundance=26.3
183W	stable (>0.8e+20 a)	1/2-	%Abundance=14.3
183m1W	5.2 s	11/2+	%IT=100
184W	stable (>1.8e+20 a)	0+	%Abundance=30.67
185W	75.1 d	3/2-	%β-=100
185m1W	1.67 m	11/2+	%IT=100
186W	stable (>1.7e+20 a)	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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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	stable (>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

Main article: Isotopes of 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	1.9e+19 a	9/2-	%Abundance=100, %α=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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

Main article: Isotopes of 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

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