Isotope

Isotopic Mass

amu

% Abundance

T_1/2

T_1/2

Units

Mass Excess

KeV

Binding Energy

Per Nucleon

KeV

Decay

Mode

Branching

Ratio

²⁵³Rf

253.10069 (49)

13

ms

93,790 (450)

7,379 (2)

SF~50

²⁵⁴Rf

254.10018 (31)

23

us

93,320 (280)

7,384 (1)

SF

?

²⁵⁵Rf

255.10134 (19)

1.64

s

94,400 (180)

7,382 (1)

A

?

²⁵⁶Rf

256.101166 (26)

6.45

ms

94,236 (24)

7,385.38 (9.4)

SF

?

²⁵⁷Rf

257.10299 (11)

4.7

s

95,930 (100)

7,381 (0)

A

?

²⁵⁸Rf

258.10349 (22)

12

ms

96,400 (200)

7,382 (1)

SF

87 2

²⁵⁹Rf

259.105637 (77)

2.8

s

98,400 (72)

7,377 (0)

A

92 2

²⁶⁰Rf

260.10644 (22)

21

ms

99,150 (200)

7,377 (1)

SF

?

²⁶¹Rf

261.108767 (31)

5.5

s

101,315 (29)

7,371.4 (1.1)

A

?

²⁶²Rf

262.10993 (30)

2.3

s

102,390 (280)

7,370 (1)

SF~100

²⁶³Rf

263.11255 (20)

11

m

104,840 (180)

7,363 (1)

SF

?

²⁶⁴Rf

264.11399 (48)

1

h

106,180 (450)

7,361 (2)

A ?

²⁶⁵Rf

265.11670 (46)

13

h

108,710 (420)

7,354 (2)

A ?

²⁶⁶Rf

266.11796 (58)

10

h

109,880 (540)

7,352 (2)

A ?

²⁶⁷Rf

267.12153 (62)

5

h

113,200 (580)

7,343 (2)

A ?

²⁶⁸Rf

268.12364 (76)

1

h

115,170 (710)

7,338 (3)

A ?

^253mRf

253.10069 (49)

52

us

93,790 (450)

7,379 (2)

SF

?

^255mRf

255.10134 (19)

1

s

94,400 (180)

7,382 (1)

A

100

^257mRf

257.10299 (11)

3.9

s

95,930 (100)

7,381 (0)

A~100

^261mRf

261.108767 (31)

81

s

101,315 (29)

7,371.4 (1.1)

A

^262mRf

262.10993 (30)

47

ms

102,390 (280)

7,370 (1)

SF

100

^257mRf

257.10299 (11)

95,930 (100)

7,381 (0)

0

^259mRf

259.105637 (77)

98,400 (72)

7,377 (0)

0

^261mRf

261.108767 (31)

101,315 (29)

7,371.4 (1.1)

0

^259m1Rf

259.105637 (77)

98,400 (72)

7,377 (0)

0