Isotopic Abundance and Mass (Accurate), Ted Pella, Inc.

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Isotopic Abundance & Mass (Accurate)

Isotope	Mass (amu)	Composition (atomic %)
H¹	1.007825	99.985
H²	2.0140	0.015
He³	3.01603	0.00014
He⁴	4.00260	99.99986
Li⁶	6.015121	7.5
Li⁷	7.016003	92.5
Be⁹	9.012182	100
B¹⁰	10.012937	19.8
B¹¹	11.009305	80.2
C¹²	12.000000	98.90
C¹³	13.003355	1.10
N¹⁴	14.003074	99.63
N¹⁵	15.000108	0.37
O¹⁶	15.994915	99.762
O¹⁷	16.999131	0.038
O¹⁸	17.999160	0.200
F¹⁹	18.998403	100
Ne²⁰	19.992435	90.51
Ne²¹	20.993843	0.27
Ne²²	21.991383	9.22
Na²³	22.989767	100
Mg²⁴	23.985042	78.99
Mg²⁵	24.985837	10.00
Mg²⁶	25.982593	11.01
Al²⁷	26.98154	100
Si²⁸	27.976927	92.23
Si²⁹	28.976495	4.67
Si³⁰	29.973770	3.10
P³¹	30.973762	100
S³²	31.972070	95.02
S³³	32.971456	0.75
S³⁴	33.967866	4.21
S³⁶	35.967080	0.02
Cl³⁵	34.968852	75.77
Cl³⁷	36.965903	24.23
Ar³⁶	35.967545	0.337
Ar³⁸	37.962732	0.063
Ar⁴⁰	39.962384	99.60
K³⁹	38.963707	93.2581
K⁴⁰	39.963999	0.0117
K⁴¹	40.961825	6.7302
Ca⁴⁰	39.962591	96.941
Ca⁴²	41.958618	0.647
Ca⁴³	42.958766	0.135
Ca⁴⁴	43.955480	2.086
Ca⁴⁶	45.953689	0.004
Ca⁴⁸	47.952533	0.187
Sc⁴⁵	44.955910	100
Ti⁴⁶	45.952629	8.0
Ti⁴⁷	46.951764	7.3
Ti⁴⁸	47.947947	73.8
Ti⁴⁹	48.947871	5.5
Ti⁵⁰	49.944792	5.4
V⁵⁰	49.947161	0.25
V⁵¹	50.943962	99.75
Cr⁵⁰	49.946046	4.35
Cr⁵²	51.940509	83.79
Cr⁵³	52.940651	9.50
Cr⁵⁴	53.938882	2.36
Mn⁵⁵	54.938047	100
Fe⁵⁴	53.939612	5.8
Fe⁵⁶	55.934939	91.72
Fe⁵⁷	56.935396	2.2
Fe⁵⁸	57.933277	0.28
Co⁵⁹	58.933198	100
Ni⁵⁸	57.935346	68.27
Ni⁶⁰	59.930788	26.10
Ni⁶¹	60.931058	1.13
Ni⁶²	61.928346	3.59
Ni⁶⁴	63.927968	0.91
Cu⁶³	62.939598	69.17
Cu⁶⁵	64.927793	30.83
Zn⁶⁴	63.929145	48.6
Zn⁶⁶	65.926034	27.9
Zn⁶⁷	66.927129	4.1
Zn⁶⁸	67.924846	18.8
Zn⁷⁰	69.925325	0.6
Ga⁶⁹	68.925580	60.1
Ga⁷¹	70.924700	39.9
Ge⁷⁰	69.924250	20.5
Ge⁷²	71.922079	27.4
Ge⁷³	72.923463	7.8
Ge⁷⁴	73.921177	36.5
Ge⁷⁶	75.921401	7.8
As⁷⁵	74.921594	100
Se⁷⁴	73.922475	0.9
Se⁷⁶	75.919212	9.0
Se⁷⁷	76.919912	7.6
Se⁷⁸	77.917304	23.5
Se⁸⁰	79.916520	49.6
Se⁸²	81.916698	9.4
Br⁷⁹	78.918336	50.69
Br⁸¹	80.916289	49.31
Kr⁷⁸	77.920397	0.35
Kr⁸⁰	79.916380	2.25
Kr⁸²	81.913482	11.6
Kr⁸³	82.914135	11.5
Kr⁸⁴	83.911507	57.0
Kr⁸⁶	85.910616	17.3
Rb⁸⁵	84.911794	72.17
Rb⁸⁷	86.909187	27.83
Sr⁸⁴	83.913430	0.56
Sr⁸⁶	85.909267	9.86
Sr⁸⁷	86.908884	7.00
Sr⁸⁸	87.905619	82.58
Y⁸⁹	88.905849	100
Zr⁹⁰	89.904703	51.45
Zr⁹¹	90.905644	11.27
Zr⁹²	91.905039	17.17
Zr⁹⁴	93.906314	17.33
Zr⁹⁶	95.908275	2.78
Nb⁹³	92.906377	100
Mo⁹²	91.906088	14.84
Mo⁹⁴	93.905085	9.25
Mo⁹⁵	94.905840	15.92
Mo⁹⁶	95.904678	16.68
Mo⁹⁷	96.906020	9.55
Mo⁹⁸	97.905406	24.13
Mo¹⁰⁰	99.907477	9.63
Tc	-	-
Ru⁹⁶	95.907599	5.52
Ru⁹⁸	97.905287	1.88
Ru⁹⁹	98.905939	12.7
Ru¹⁰⁰	99.904219	12.6
Ru¹⁰¹	100.905582	17.0
Ru¹⁰²	101.904348	31.6
Ru¹⁰⁴	103.905424	18.7
Rh¹⁰³	102.905500	100
Pd¹⁰²	101.905634	1.02
Pd¹⁰⁴	103.904029	11.14
Pd¹⁰⁵	104.905079	22.33
Pd¹⁰⁶	105.903478	27.33
Pd¹⁰⁸	107.903895	26.46
Pd¹¹⁰	109.905167	11.72
Ag¹⁰⁷	106.905092	51.84
Ag¹⁰⁹	108.904757	48.16
Cd¹⁰⁶	105.906461	1.25
Cd¹⁰⁸	107.904176	0.89
Cd¹¹⁰	109.903005	12.49
Cd¹¹¹	110.904182	12.80
Cd¹¹²	111.902758	24.13
Cd¹¹³	112.904400	12.22
Cd¹¹⁴	113.903357	28.73
Cd¹¹⁶	115.904754	7.49
In¹¹³	112.904061	4.3
In¹¹⁵	114.903880	95.7
Sn¹¹²	111.904826	1.0
Sn¹¹⁴	113.902784	0.7
Sn¹¹⁵	114.903348	0.4
Sn¹¹⁶	115.901747	14.7
Sn¹¹⁷	116.902956	7.7
Sn¹¹⁸	117.901609	24.3
Sn¹¹⁹	118.903310	8.6
Sn¹²⁰	119.902200	32.4
Sn¹²²	121.903440	4.6
Sn¹²⁴	123.905274	5.66
Sb¹²¹	120.903821	57.3
Sb¹²³	122.904216	42.7
Te¹²⁰	119.904048	0.096
Te¹²²	121.903054	2.60
Te¹²³	122.904271	0.908
Te¹²⁴	123.902823	4.816
Te¹²⁵	124.904433	7.14
Te¹²⁶	125.903314	18.95
Te¹²⁸	127.904463	31.69
Te¹³⁰	129.906229	33.80
I¹²⁷	126.904473	100
Xe¹²⁴	123.905894	0.10
Xe¹²⁶	125.904281	0.09
Xe¹²⁸	127.903531	1.91
Xe¹²⁹	128.904780	26.4
Xe¹³⁰	129.903509	4.1
Xe¹³¹	130.905072	21.2
Xe¹³²	131.904144	26.9
Xe¹³⁴	133.905395	10.4
Xe¹³⁶	135.907214	8.9
Cs¹³³	132.905429	100
Ba¹³⁰	129.906282	0.106
Ba¹³²	131.905042	0.101
Ba¹³⁴	133.904486	2.417
Ba¹³⁵	134.905665	6.592
Ba¹³⁶	135.904553	7.854
Ba¹³⁷	136.905812	11.23
Ba¹³⁸	137.905232	71.70
La¹³⁸	137.907105	0.09
La¹³⁹	138.906346	99.91
Ce¹³⁶	135.907140	0.19
Ce¹³⁸	137.905985	0.25
Ce¹⁴⁰	139.905433	88.48
Ce¹⁴²	141.909241	11.08
Pr¹⁴¹	140.907647	100
Nd¹⁴²	141.907719	27.13
Nd¹⁴³	142.909810	12.18
Nd¹⁴⁴	143.910083	23.80
Nd¹⁴⁵	144.912570	8.30
Nd¹⁴⁶	145.913113	17.19
Nd¹⁴⁸	147.916889	5.76
Nd¹⁵⁰	149.920887	5.64
Pm	-	-
Sm¹⁴⁴	143.911998	3.1
Sm¹⁴⁷	146.914895	15.0
Sm¹⁴⁸	147.914820	11.3
Sm¹⁴⁹	148.917181	13.8
Sm¹⁵⁰	149.917273	7.4
Sm¹⁵²	151.919729	26.7
Sm¹⁵⁴	153.922206	22.7
Eu¹⁵¹	150.919847	47.8
Eu¹⁵³	152.921225	52.2
Gd¹⁵²	151.919786	0.20
Gd¹⁵⁴	153.920861	2.18
Gd¹⁵⁵	154.922618	14.80
Gd¹⁵⁶	155.922118	20.47
Gd¹⁵⁷	156.923956	15.65
Gd¹⁵⁸	157.924099	24.84
Gd¹⁶⁰	159.927049	21.86
Tb¹⁵⁹	158.925342	100
Dy¹⁵⁶	155.925277	0.06
Dy¹⁵⁸	157.924403	0.10
Dy¹⁶⁰	159.925193	2.34
Dy¹⁶¹	160.926930	18.9
Dy¹⁶²	161.926795	25.5
Dy¹⁶³	162.928728	24.9
Dy¹⁶⁴	163.929171	28.2
Ho¹⁶⁵	164.930319	100
Er¹⁶²	161.928775	0.14
Er¹⁶⁴	163.929198	1.61
Er¹⁶⁶	165.930290	33.6
Er¹⁶⁷	166.932046	22.95
Er¹⁶⁸	167.932368	26.8
Er¹⁷⁰	169.935461	14.9
Tm¹⁶⁹	168.934212	100
Yb¹⁶⁸	167.933894	0.13
Yb¹⁷⁰	169.934759	3.05
Yb¹⁷¹	170.936323	14.3
Yb¹⁷²	171.936378	21.9
Yb¹⁷³	172.938208	16.12
Yb¹⁷⁴	173.938859	31.8
Yb¹⁷⁶	175.942564	12.7
Lu¹⁷⁵	174.940770	97.41
Lu¹⁷⁶	175.942679	2.59
Hf¹⁷⁴	173.940044	0.16
Hf¹⁷⁶	175.941406	5.2
Hf¹⁷⁷	176.943217	18.6
Hf¹⁷⁸	177.943696	27.1
Hf¹⁷⁹	178.945812	13.74
Hf¹⁸⁰	179.946545	35.2
Ta¹⁸⁰	179.947462	0.012
Ta¹⁸¹	180.947992	99.988
W¹⁸⁰	179.946701	0.13
W¹⁸²	181.948202	26.3
W¹⁸³	182.950220	14.3
W¹⁸⁴	183.950928	30.67
W¹⁸⁶	185.954357	28.6
Re¹⁸⁵	184.952951	37.40
Re¹⁸⁷	186.955744	62.6
Os¹⁸⁴	183.952488	0.02
Os¹⁸⁶	185.953830	1.58
Os¹⁸⁷	186.955741	1.6
Os¹⁸⁸	187.955860	13.3
Os¹⁸⁹	188.958137	16.1
Os¹⁹⁰	189.958436	26.4
Os¹⁹²	191.961467	41.0
Ir¹⁹¹	190.960584	37.3
Ir¹⁹³	192.962917	62.7
Pt¹⁹⁰	189.959917	0.01
Pt¹⁹²	191.961019	0.79
Pt¹⁹⁴	193.962655	32.9
Pt¹⁹⁵	194.964766	33.8
Pt¹⁹⁶	195.964926	25.3
Pt¹⁹⁸	197.967869	7.2
Au¹⁹⁷	196.966543	100
Hg¹⁹⁶	195.965807	0.15
Hg¹⁹⁸	197.966743	10.1
Hg¹⁹⁹	198.968254	17
Hg²⁰⁰	199.968300	23.1
Hg²⁰¹	200.970277	13.2
Hg²⁰²	201.970617	29.65
Hg²⁰⁴	203.973467	6.8
Tl²⁰³	202.972320	29.524
Tl²⁰⁵	204.974401	70.476
Pb²⁰⁴	203.973020	1.4
Pb²⁰⁶	205.974440	24.1
Pb²⁰⁷	206.975872	22.1
Pb²⁰⁸	207.976627	52.4
Bi²⁰⁹	208.980374	100
Po	-	-
At	-	-
Rn	-	-
Fr	-	-
Ra	-	-
Ac	-	-
Th²³²	232.038054	100
Pa	-	-
U²³⁴	234.040946	0.0055
U²³⁵	235.043924	0.720
U²³⁸	238.050784	99.2745

Isotope

Mass (amu)

Composition
(atomic %)

H¹

1.007825

99.985

H²

2.0140

0.015

He³

3.01603

0.00014

He⁴

4.00260

99.99986

Li⁶

6.015121

7.5

Li⁷

7.016003

92.5

Be⁹

9.012182

100

B¹⁰

10.012937

19.8

B¹¹

11.009305

80.2

C¹²

12.000000

98.90

C¹³

13.003355

1.10

N¹⁴

14.003074

99.63

N¹⁵

15.000108

0.37

O¹⁶

15.994915

99.762

O¹⁷

16.999131

0.038

O¹⁸

17.999160

0.200

F¹⁹

18.998403

100

Ne²⁰

19.992435

90.51

Ne²¹

20.993843

0.27

Ne²²

21.991383

9.22

Na²³

22.989767

100

Mg²⁴

23.985042

78.99

Mg²⁵

24.985837

10.00

Mg²⁶

25.982593

11.01

Al²⁷

26.98154

100

Si²⁸

27.976927

92.23

Si²⁹

28.976495

4.67

Si³⁰

29.973770

3.10

P³¹

30.973762

100

S³²

31.972070

95.02

S³³

32.971456

0.75

S³⁴

33.967866

4.21

S³⁶

35.967080

0.02

Cl³⁵

34.968852

75.77

Cl³⁷

36.965903

24.23

Ar³⁶

35.967545

0.337

Ar³⁸

37.962732

0.063

Ar⁴⁰

39.962384

99.60

K³⁹

38.963707

93.2581

K⁴⁰

39.963999

0.0117

K⁴¹

40.961825

6.7302

Ca⁴⁰

39.962591

96.941

Ca⁴²

41.958618

0.647

Ca⁴³

42.958766

0.135

Ca⁴⁴

43.955480

2.086

Ca⁴⁶

45.953689

0.004

Ca⁴⁸

47.952533

0.187

Sc⁴⁵

44.955910

100

Ti⁴⁶

45.952629

8.0

Ti⁴⁷

46.951764

7.3

Ti⁴⁸

47.947947

73.8

Ti⁴⁹

48.947871

5.5

Ti⁵⁰

49.944792

5.4

V⁵⁰

49.947161

0.25

V⁵¹

50.943962

99.75

Cr⁵⁰

49.946046

4.35

Cr⁵²

51.940509

83.79

Cr⁵³

52.940651

9.50

Cr⁵⁴

53.938882

2.36

Mn⁵⁵

54.938047

100

Fe⁵⁴

53.939612

5.8

Fe⁵⁶

55.934939

91.72

Fe⁵⁷

56.935396

2.2

Fe⁵⁸

57.933277

0.28

Co⁵⁹

58.933198

100

Ni⁵⁸

57.935346

68.27

Ni⁶⁰

59.930788

26.10

Ni⁶¹

60.931058

1.13

Ni⁶²

61.928346

3.59

Ni⁶⁴

63.927968

0.91

Cu⁶³

62.939598

69.17

Cu⁶⁵

64.927793

30.83

Zn⁶⁴

63.929145

48.6

Zn⁶⁶

65.926034

27.9

Zn⁶⁷

66.927129

4.1

Zn⁶⁸

67.924846

18.8

Zn⁷⁰

69.925325

0.6

Ga⁶⁹

68.925580

60.1

Ga⁷¹

70.924700

39.9

Ge⁷⁰

69.924250

20.5

Ge⁷²

71.922079

27.4

Ge⁷³

72.923463

7.8

Ge⁷⁴

73.921177

36.5

Ge⁷⁶

75.921401

7.8

As⁷⁵

74.921594

100

Se⁷⁴

73.922475

0.9

Se⁷⁶

75.919212

9.0

Se⁷⁷

76.919912

7.6

Se⁷⁸

77.917304

23.5

Se⁸⁰

79.916520

49.6

Se⁸²

81.916698

9.4

Br⁷⁹

78.918336

50.69

Br⁸¹

80.916289

49.31

Kr⁷⁸

77.920397

0.35

Kr⁸⁰

79.916380

2.25

Kr⁸²

81.913482

11.6

Kr⁸³

82.914135

11.5

Kr⁸⁴

83.911507

57.0

Kr⁸⁶

85.910616

17.3

Rb⁸⁵

84.911794

72.17

Rb⁸⁷

86.909187

27.83

Sr⁸⁴

83.913430

0.56

Sr⁸⁶

85.909267

9.86

Sr⁸⁷

86.908884

7.00

Sr⁸⁸

87.905619

82.58

Y⁸⁹

88.905849

100

Zr⁹⁰

89.904703

51.45

Zr⁹¹

90.905644

11.27

Zr⁹²

91.905039

17.17

Zr⁹⁴

93.906314

17.33

Zr⁹⁶

95.908275

2.78

Nb⁹³

92.906377

100

Mo⁹²

91.906088

14.84

Mo⁹⁴

93.905085

9.25

Mo⁹⁵

94.905840

15.92

Mo⁹⁶

95.904678

16.68

Mo⁹⁷

96.906020

9.55

Mo⁹⁸

97.905406

24.13

Mo¹⁰⁰

99.907477

9.63

Ru⁹⁶

95.907599

5.52

Ru⁹⁸

97.905287

1.88

Ru⁹⁹

98.905939

12.7

Ru¹⁰⁰

99.904219

12.6

Ru¹⁰¹

100.905582

17.0

Ru¹⁰²

101.904348

31.6

Ru¹⁰⁴

103.905424

18.7

Rh¹⁰³

102.905500

100

Pd¹⁰²

101.905634

1.02

Pd¹⁰⁴

103.904029

11.14

Pd¹⁰⁵

104.905079

22.33

Pd¹⁰⁶

105.903478

27.33

Pd¹⁰⁸

107.903895

26.46

Pd¹¹⁰

109.905167

11.72

Ag¹⁰⁷

106.905092

51.84

Ag¹⁰⁹

108.904757

48.16

Cd¹⁰⁶

105.906461

1.25

Cd¹⁰⁸

107.904176

0.89

Cd¹¹⁰

109.903005

12.49

Cd¹¹¹

110.904182

12.80

Cd¹¹²

111.902758

24.13

Cd¹¹³

112.904400

12.22

Cd¹¹⁴

113.903357

28.73

Cd¹¹⁶

115.904754

7.49

In¹¹³

112.904061

4.3

In¹¹⁵

114.903880

95.7

Sn¹¹²

111.904826

1.0

Sn¹¹⁴

113.902784

0.7

Sn¹¹⁵

114.903348

0.4

Sn¹¹⁶

115.901747

14.7

Sn¹¹⁷

116.902956

7.7

Sn¹¹⁸

117.901609

24.3

Sn¹¹⁹

118.903310

8.6

Sn¹²⁰

119.902200

32.4

Sn¹²²

121.903440

4.6

Sn¹²⁴

123.905274

5.66

Sb¹²¹

120.903821

57.3

Sb¹²³

122.904216

42.7

Te¹²⁰

119.904048

0.096

Te¹²²

121.903054

2.60

Te¹²³

122.904271

0.908

Te¹²⁴

123.902823

4.816

Te¹²⁵

124.904433

7.14

Te¹²⁶

125.903314

18.95

Te¹²⁸

127.904463

31.69

Te¹³⁰

129.906229

33.80

I¹²⁷

126.904473

100

Xe¹²⁴

123.905894

0.10

Xe¹²⁶

125.904281

0.09

Xe¹²⁸

127.903531

1.91

Xe¹²⁹

128.904780

26.4

Xe¹³⁰

129.903509

4.1

Xe¹³¹

130.905072

21.2

Xe¹³²

131.904144

26.9

Xe¹³⁴

133.905395

10.4

Xe¹³⁶

135.907214

8.9

Cs¹³³

132.905429

100

Ba¹³⁰

129.906282

0.106

Ba¹³²

131.905042

0.101

Ba¹³⁴

133.904486

2.417

Ba¹³⁵

134.905665

6.592

Ba¹³⁶

135.904553

7.854

Ba¹³⁷

136.905812

11.23

Ba¹³⁸

137.905232

71.70

La¹³⁸

137.907105

0.09

La¹³⁹

138.906346

99.91

Ce¹³⁶

135.907140

0.19

Ce¹³⁸

137.905985

0.25

Ce¹⁴⁰

139.905433

88.48

Ce¹⁴²

141.909241

11.08

Pr¹⁴¹

140.907647

100

Nd¹⁴²

141.907719

27.13

Nd¹⁴³

142.909810

12.18

Nd¹⁴⁴

143.910083

23.80

Nd¹⁴⁵

144.912570

8.30

Nd¹⁴⁶

145.913113

17.19

Nd¹⁴⁸

147.916889

5.76

Nd¹⁵⁰

149.920887

5.64

Sm¹⁴⁴

143.911998

3.1

Sm¹⁴⁷

146.914895

15.0

Sm¹⁴⁸

147.914820

11.3

Sm¹⁴⁹

148.917181

13.8

Sm¹⁵⁰

149.917273

7.4

Sm¹⁵²

151.919729

26.7

Sm¹⁵⁴

153.922206

22.7

Eu¹⁵¹

150.919847

47.8

Eu¹⁵³

152.921225

52.2

Gd¹⁵²

151.919786

0.20

Gd¹⁵⁴

153.920861

2.18

Gd¹⁵⁵

154.922618

14.80

Gd¹⁵⁶

155.922118

20.47

Gd¹⁵⁷

156.923956

15.65

Gd¹⁵⁸

157.924099

24.84

Gd¹⁶⁰

159.927049

21.86

Tb¹⁵⁹

158.925342

100

Dy¹⁵⁶

155.925277

0.06

Dy¹⁵⁸

157.924403

0.10

Dy¹⁶⁰

159.925193

2.34

Dy¹⁶¹

160.926930

18.9

Dy¹⁶²

161.926795

25.5

Dy¹⁶³

162.928728

24.9

Dy¹⁶⁴

163.929171

28.2

Ho¹⁶⁵

164.930319

100

Er¹⁶²

161.928775

0.14

Er¹⁶⁴

163.929198

1.61

Er¹⁶⁶

165.930290

33.6

Er¹⁶⁷

166.932046

22.95

Er¹⁶⁸

167.932368

26.8

Er¹⁷⁰

169.935461

14.9

Tm¹⁶⁹

168.934212

100

Yb¹⁶⁸

167.933894

0.13

Yb¹⁷⁰

169.934759

3.05

Yb¹⁷¹

170.936323

14.3

Yb¹⁷²

171.936378

21.9

Yb¹⁷³

172.938208

16.12

Yb¹⁷⁴

173.938859

31.8

Yb¹⁷⁶

175.942564

12.7

Lu¹⁷⁵

174.940770

97.41

Lu¹⁷⁶

175.942679

2.59

Hf¹⁷⁴

173.940044

0.16

Hf¹⁷⁶

175.941406

5.2

Hf¹⁷⁷

176.943217

18.6

Hf¹⁷⁸

177.943696

27.1

Hf¹⁷⁹

178.945812

13.74

Hf¹⁸⁰

179.946545

35.2

Ta¹⁸⁰

179.947462

0.012

Ta¹⁸¹

180.947992

99.988

W¹⁸⁰

179.946701

0.13

W¹⁸²

181.948202

26.3

W¹⁸³

182.950220

14.3

W¹⁸⁴

183.950928

30.67

W¹⁸⁶

185.954357

28.6

Re¹⁸⁵

184.952951

37.40

Re¹⁸⁷

186.955744

62.6

Os¹⁸⁴

183.952488

0.02

Os¹⁸⁶

185.953830

1.58

Os¹⁸⁷

186.955741

1.6

Os¹⁸⁸

187.955860

13.3

Os¹⁸⁹

188.958137

16.1

Os¹⁹⁰

189.958436

26.4

Os¹⁹²

191.961467

41.0

Ir¹⁹¹

190.960584

37.3

Ir¹⁹³

192.962917

62.7

Pt¹⁹⁰

189.959917

0.01

Pt¹⁹²

191.961019

0.79

Pt¹⁹⁴

193.962655

32.9

Pt¹⁹⁵

194.964766

33.8

Pt¹⁹⁶

195.964926

25.3

Pt¹⁹⁸

197.967869

7.2

Au¹⁹⁷

196.966543

100

Hg¹⁹⁶

195.965807

0.15

Hg¹⁹⁸

197.966743

10.1

Hg¹⁹⁹

198.968254

Hg²⁰⁰

199.968300

23.1

Hg²⁰¹

200.970277

13.2

Hg²⁰²

201.970617

29.65

Hg²⁰⁴

203.973467

6.8

Tl²⁰³

202.972320

29.524

Tl²⁰⁵

204.974401

70.476

Pb²⁰⁴

203.973020

1.4

Pb²⁰⁶

205.974440

24.1

Pb²⁰⁷

206.975872

22.1

Pb²⁰⁸

207.976627

52.4

Bi²⁰⁹

208.980374

100

Th²³²

232.038054

100

U²³⁴

234.040946

0.0055

U²³⁵

235.043924

0.720

U²³⁸

238.050784

99.2745