Bohrium Isotopic Data

 

 

 

Isotope

 

Isotopic Mass

amu

 

% Abundance

 

T1/2

 

T1/2

Units

 

Mass Excess

KeV

 

Binding Energy

Per Nucleon

KeV

 

Decay

Mode

 

Branching

Ratio

260Bh

260.12197 (62)

 

300

us

113,610 (580)

7,312 (2)

A

100

261Bh

261.12166 (25)

 

13

ms

113,330 (230)

7,316 (1)

A

95 5

262Bh

262.12289 (37)

 

290

ms

114,470 (340)

7,315 (1)

A

?

263Bh

263.12304 (39)

 

200

ms

114,610 (370)

7,317 (1)

A ?

 

264Bh

264.12460 (30)

 

1.3

s

116,070 (280)

7,315 (1)

A

?

265Bh

265.12515 (41)

 

500

ms

116,570 (380)

7,316 (1)

A ?

 

266Bh

266.12694 (22)

 

5

s

118,250 (200)

7,312 (1)

A~100

 

267Bh

267.12765 (28)

 

22

s

118,910 (260)

7,312 (1)

A

100

268Bh

268.12976 (41)

 

25

s

120,870 (380)

7,308 (1)

A ?

 

269Bh

269.13069 (44)

 

25

s

121,740 (410)

7,308 (2)

A ?

 

270Bh

270.13362 (50)

 

30

s

124,460 (470)

7,300 (2)

A ?

 

271Bh

271.13518 (60)

 

40

s

125,920 (560)

7,298 (2)

A ?

 

272Bh

272.13803 (65)

 

2

m

128,580 (610)

7,291 (2)

A ?

 

273Bh

273.13962 (89)

 

90

m

130,050 (830)

7,288 (3)

A ?

 

274Bh

274.14244 (84)

 

90

m

132,680 (780)

7,282 (3)

A ?

 

275Bh

275.14425 (70)

 

40

m

134,370 (650)

7,278 (2)

SF ?

 

262mBh

262.12289 (37)

 

14

ms

114,470 (340)

7,315 (1)

A

?

264mBh

264.12460 (30)

 

 

 

116,070 (280)

7,315 (1)

0

 

Data Source: ENSDF March 2005

©Radiochemistry Society 2005