Isotope

Isotopic Mass

amu

% Abundance

T_1/2

T_1/2

Units

Mass Excess

KeV

Binding Energy

Per Nucleon

KeV

Decay

Mode

Branching

Ratio

¹⁴⁸Yb

147.96742 (64)

250

ms

-30,350 (600)

7,906 (4)

B+ ?

¹⁴⁹Yb

148.96404 (54)

700

ms

-33,500 (500)

7,929 (3)

B+

100

¹⁵⁰Yb

149.95842 (43)

700

ms

-38,730 (400)

7,964 (3)

B+ ?

¹⁵¹Yb

150.95540 (32)

1.6

s

-41,540 (300)

7,984 (2)

B+

100

¹⁵²Yb

151.95029 (22)

3.04

s

-46,310 (210)

8,016 (1.4)

B+

100

¹⁵³Yb

152.94948 (21)

4.2

s

-47,060 (200)

8,021 (1)

B+

?

¹⁵⁴Yb

153.946394 (19)

409

ms

-49,934 (17)

8,040.0 (1.1)

A

92.6 12

¹⁵⁵Yb

154.945782 (18)

1.793

s

-50,503 (17)

8,043.8 (1.1)

A

89 4

¹⁵⁶Yb

155.942818 (12)

26.1

s

-53,264 (11)

8,061.70 (7.2)

B+

90 2

¹⁵⁷Yb

156.942628 (11)

38.6

s

-53,442 (10)

8,062.89 (6.5)

B+

99.5

¹⁵⁸Yb

157.9398656 (88)

1.49

m

-56,014.8 (8.2)

8,079.23 (5.2)

B+~100

¹⁵⁹Yb

158.940050 (20)

1.72

m

-55,843 (18)

8,078.1 (1.2)

B+

100

¹⁶⁰Yb

159.937552 (18)

4.8

m

-58,170 (17)

8,092.6 (1)

B+

100

¹⁶¹Yb

160.937902 (17)

4.2

m

-57,844 (16)

8,090.45 (9.9)

B+

100

¹⁶²Yb

161.935768 (17)

18.87

m

-59,832 (16)

8,102.60 (9.9)

B+

100

¹⁶³Yb

162.936334 (17)

11.05

m

-59,304 (16)

8,099.17 (9.8)

B+

100

¹⁶⁴Yb

163.934489 (17)

75.8

m

-61,023 (16)

8,109.48 (9.8)

EC

100

¹⁶⁵Yb

164.935279 (30)

9.9

m

-60,287 (28)

8,104.8 (1.7)

B+

100

¹⁶⁶Yb

165.9338820 (89)

56.7

h

-61,588.5 (8.3)

8,112.43 (5)

EC

100

¹⁶⁷Yb

166.9349496 (50)

17.5

m

-60,594.1 (4.6)

8,106.23 (2.8)

B+

¹⁶⁸Yb

167.9338969 (47)

0.13 (1)

stable

-61,574.6 (4.4)

8,111.86 (2.6)

¹⁶⁹Yb

168.9351898 (47)

32.026

d

-60,370.3 (4.4)

8,104.49 (2.6)

EC

100

¹⁷⁰Yb

169.9347618 (26)

3.04 (15)

stable

-60,769.0 (2.4)

8,106.64 (1.4)

¹⁷¹Yb

170.9363258 (26)

14.28 (57)

stable

-59,312.1 (2.4)

8,097.91 (1.4)

¹⁷²Yb

171.9363815 (26)

21.83 (67)

stable

-59,260.3 (2.4)

8,097.46 (1.4)

¹⁷³Yb

172.9382108 (26)

16.13 (27)

stable

-57,556.3 (2.4)

8,087.46 (1.4)

¹⁷⁴Yb

173.9388621 (26)

31.83 (92)

stable

-56,949.6 (2.4)

8,083.88 (1.4)

¹⁷⁵Yb

174.9412765 (26)

4.185

d

-54,700.6 (2.4)

8,070.95 (1.4)

B-

100

¹⁷⁶Yb

175.9425717 (28)

12.76 (41)

stable

-53,494.1 (2.6)

8,064.10 (1.5)

¹⁷⁷Yb

176.9452608 (28)

1.911

h

-50,989.2 (2.6)

8,049.99 (1.5)

B-

100

¹⁷⁸Yb

177.946647 (11)

74

m

-49,698 (10)

8,042.86 (5.8)

B-

100

¹⁷⁹Yb

178.95017 (32)

8

m

-46,420 (300)

8,025 (2)

B-

100

¹⁸⁰Yb

179.95233 (43)

2.4

m

-44,400 (400)

8,014 (2)

B-

100

¹⁸¹Yb

180.95615 (43)

1

m

-40,850 (400)

7,994 (2)

B- ?

^151mYb

150.95540 (32)

1.6

s

-41,540 (300)

7,984 (2)

B+~100

^153mYb

152.94948 (21)

15

us

-47,060 (200)

8,021 (1)

0

^169mYb

168.9351898 (47)

46

s

-60,370.3 (4.4)

8,104.49 (2.6)

IT

100

^170mYb

169.9347618 (26)

370

ns

-60,769.0 (2.4)

8,106.64 (1.4)

IT

100

^171mYb

170.9363258 (26)

5.25

ms

-59,312.1 (2.4)

8,097.91 (1.4)

IT

100

^173mYb

172.9382108 (26)

2.9

us

-57,556.3 (2.4)

8,087.46 (1.4)

0

^175mYb

174.9412765 (26)

68.2

ms

-54,700.6 (2.4)

8,070.95 (1.4)

IT

100

^176mYb

175.9425717 (28)

11.4

s

-53,494.1 (2.6)

8,064.10 (1.5)

IT

?

^177mYb

176.9452608 (28)

6.41

s

-50,989.2 (2.6)

8,049.99 (1.5)

IT

100

^151m1Yb

150.95540 (32)

2.6

us

-41,540 (300)

7,984 (2)

IT

100

^171m1Yb

170.9363258 (26)

265

ns

-59,312.1 (2.4)

8,097.91 (1.4)

IT

100

^151m2Yb

150.95540 (32)

20

us

-41,540 (300)

7,984 (2)

IT

100