Isotope

Isotopic Mass

amu

% Abundance

T_1/2

T_1/2

Units

Mass Excess

KeV

Binding Energy

Per Nucleon

KeV

Decay

Mode

Branching

Ratio

¹⁴⁰Ho

139.96854 (54)

6

ms

-29,310 (500)

7,906 (4)

p

?

¹⁴¹Ho

140.96310 (54)

4.1

ms

-34,370 (500)

7,943 (4)

p

?

¹⁴²Ho

141.95977 (54)

400

ms

-37,470 (500)

7,966 (4)

B+~100

¹⁴³Ho

142.95461 (43)

300

ms

-42,280 (400)

8,000 (3)

B+ ?

¹⁴⁴Ho

143.95148 (32)

700

ms

-45,200 (300)

8,021 (2)

B+

100

¹⁴⁵Ho

144.94720 (32)

2.4

s

-49,180 (300)

8,049 (2)

B+

100

¹⁴⁶Ho

145.94464 (21)

3.6

s

-51,570 (200)

8,065 (1)

B+

100

¹⁴⁷Ho

146.940056 (30)

5.8

s

-55,837 (28)

8,094.6 (1.9)

B+

100

¹⁴⁸Ho

147.93772 (14)

2.2

s

-58,020 (130)

8,109.1 (8.8)

B+

100

¹⁴⁹Ho

148.933775 (20)

21.1

s

-61,688 (18)

8,133.5 (1.2)

B+

100

¹⁵⁰Ho

149.933496 (15)

76.8

s

-61,948 (14)

8,134.86 (9.5)

B+

100

¹⁵¹Ho

150.931688 (13)

35.2

s

-63,632 (12)

8,145.59 (8)

B+

?

¹⁵²Ho

151.931714 (15)

161.8

s

-63,608 (14)

8,144.94 (9.2)

B+

88 3

¹⁵³Ho

152.9301988 (60)

2.01

m

-65,019.4 (5.6)

8,153.68 (3.6)

B+~100

¹⁵⁴Ho

153.9306016 (90)

11.76

m

-64,644.2 (8.4)

8,150.71 (5.4)

B+~100

¹⁵⁵Ho

154.929103 (19)

48

m

-66,040 (18)

8,159.2 (1.2)

B+

100

¹⁵⁶Ho

155.929839 (48)

56

m

-65,355 (45)

8,154.2 (2.9)

B+

100

¹⁵⁷Ho

156.928256 (26)

12.6

m

-66,829 (24)

8,163.1 (1.6)

B+

100

¹⁵⁸Ho

157.928941 (29)

11.3

m

-66,191 (27)

8,158.5 (1.7)

B+~100

¹⁵⁹Ho

158.9277120 (41)

33.05

m

-67,335.9 (3.8)

8,165.15 (2.4)

B+

¹⁶⁰Ho

159.928729 (16)

25.6

m

-66,388 (15)

8,158.64 (9.5)

B+

100

¹⁶¹Ho

160.9278548 (35)

2.48

h

-67,202.8 (3.2)

8,163.15 (2)

EC

100

¹⁶²Ho

161.9290955 (42)

15

m

-66,047.1 (3.9)

8,155.45 (2.4)

B+

100

¹⁶³Ho

162.9287339 (27)

4.57

ky

-66,383.9 (2.5)

8,157.00 (1.6)

EC

100

¹⁶⁴Ho

163.9302335 (30)

29

m

-64,987.1 (2.8)

8,147.96 (1.7)

EC

60 5

¹⁶⁵Ho

164.9303221 (27)

100

stable

-64,904.6 (2.5)

8,147.00 (1.5)

¹⁶⁶Ho

165.9322842 (27)

26.83

h

-63,076.9 (2.5)

8,135.53 (1.5)

B-

100

¹⁶⁷Ho

166.9331326 (61)

3.1

h

-62,286.6 (5.7)

8,130.42 (3.4)

B-

100

¹⁶⁸Ho

167.935516 (32)

2.99

m

-60,067 (30)

8,116.9 (1.8)

B-

100

¹⁶⁹Ho

168.936872 (22)

4.7

m

-58,803 (20)

8,109.1 (1.2)

B-

100

¹⁷⁰Ho

169.939619 (54)

2.76

m

-56,245 (50)

8,093.8 (3)

B-

100

¹⁷¹Ho

170.94147 (64)

53

s

-54,520 (600)

8,084 (3.5)

B-

100

¹⁷²Ho

171.94482 (43)

25

s

-51,400 (400)

8,065 (2)

B-

100

¹⁷³Ho

172.94729 (43)

10

s

-49,100 (400)

8,052 (2)

B- ?

¹⁷⁴Ho

173.95115 (54)

8

s

-45,500 (500)

8,032 (3)

B- ?

¹⁷⁵Ho

174.95405 (64)

5

s

-42,800 (600)

8,016 (3)

B- ?

^141mHo

140.96310 (54)

6.4

us

-34,370 (500)

7,943 (4)

p

100

^145mHo

144.94720 (32)

100

ms

-49,180 (300)

8,049 (2)

B+ ?

^148mHo

147.93772 (14)

9.49

s

-58,020 (130)

8,109.1 (8.8)

B+

100

^149mHo

148.933775 (20)

56

s

-61,688 (18)

8,133.5 (1.2)

B+

100

^150mHo

149.933496 (15)

23.3

s

-61,948 (14)

8,134.86 (9.5)

B+

100

^151mHo

150.931688 (13)

47.2

s

-63,632 (12)

8,145.59 (8)

A

77 18

^152mHo

151.931714 (15)

50

s

-63,608 (14)

8,144.94 (9.2)

B+

89.2 17

^153mHo

152.9301988 (60)

9.3

m

-65,019.4 (5.6)

8,153.68 (3.6)

B+~100

^154mHo

153.9306016 (90)

3.1

m

-64,644.2 (8.4)

8,150.71 (5.4)

B+

100

^155mHo

154.929103 (19)

880

us

-66,040 (18)

8,159.2 (1.2)

IT

100

^156mHo

155.929839 (48)

9.5

s

-65,355 (45)

8,154.2 (2.9)

IT

?

^158mHo

157.928941 (29)

28

m

-66,191 (27)

8,158.5 (1.7)

IT>81

^159mHo

158.9277120 (41)

8.3

s

-67,335.9 (3.8)

8,165.15 (2.4)

IT

100

^160mHo

159.928729 (16)

5.02

h

-66,388 (15)

8,158.64 (9.5)

IT

65 3

^161mHo

160.9278548 (35)

6.76

s

-67,202.8 (3.2)

8,163.15 (2)

IT

100

^162mHo

161.9290955 (42)

67

m

-66,047.1 (3.9)

8,155.45 (2.4)

IT

62

^163mHo

162.9287339 (27)

1.09

s

-66,383.9 (2.5)

8,157.00 (1.6)

IT

100

^164mHo

163.9302335 (30)

38

m

-64,987.1 (2.8)

8,147.96 (1.7)

IT

100

^166mHo

165.9322842 (27)

1.2

ky

-63,076.9 (2.5)

8,135.53 (1.5)

B-

100

^167mHo

166.9331326 (61)

6

us

-62,286.6 (5.7)

8,130.42 (3.4)

IT

100

^168mHo

167.935516 (32)

132

s

-60,067 (30)

8,116.9 (1.8)

IT~100

^170mHo

169.939619 (54)

43

s

-56,245 (50)

8,093.8 (3)

B-

100

^148m1Ho

147.93772 (14)

2.35

ms

-58,020 (130)

8,109.1 (8.8)

IT

100

^150m1Ho

149.933496 (15)

751

ns

-61,948 (14)

8,134.86 (9.5)

0

^152m1Ho

151.931714 (15)

8.4

us

-63,608 (14)

8,144.94 (9.2)

IT

100

^156m1Ho

155.929839 (48)

7.8

m

-65,355 (45)

8,154.2 (2.9)

B+

75

^158m1Ho

157.928941 (29)

21.3

m

-66,191 (27)

8,158.5 (1.7)

B+>93

^160m1Ho

159.928729 (16)

3

s

-66,388 (15)

8,158.64 (9.5)

IT

100