Yb Isotopes

Isotopes of Ytterbium (Z=70)
Click on an isotope to get more information about its decay
Isotope	Half-life	Spin Parity	Decay Mode(s) or Abundance
¹⁴⁸Yb		0+
¹⁴⁹Yb		(1/2+,3/2+)
¹⁵⁰Yb		0+
¹⁵¹Yb	1.6 s	(1/2+)	%EC+%B+=100, %ECP=?
^151m1Yb	1.6 s	(11/2-)	%EC+%B+ ~ 100, %ECP=?
¹⁵²Yb	3.04 s	0+	%EC+%B+=100, %ECP=?
¹⁵³Yb	4.2 s	7/2-	%A=50 sys %EC+%B+=50 sys
¹⁵⁴Yb	0.409 s	0+	%A=92.6 12 , %EC+%B+=7.4 12
¹⁵⁵Yb	1.800 s	(7/2-)	%A=89 4, %EC+%B+=11 4
¹⁵⁶Yb	26.1 s	0+	%EC+%B+=90 2, %A=10 2
¹⁵⁷Yb	38.6 s	7/2-	%EC+%B+=99.5, %A=0.5
¹⁵⁸Yb	1.49 m	0+	%A ~ 0.0021 12, %EC+%B+=100
¹⁵⁹Yb	1.58 m	5/2(-)	%EC+%B+=100
¹⁶⁰Yb	4.8 m	0+	%EC+%B+=100
¹⁶¹Yb	4.2 m	3/2-	%EC+%B+=100
¹⁶²Yb	18.87 m	0+	%EC+%B+=100
¹⁶³Yb	11.05 m	3/2-	%EC+%B+=100
¹⁶⁴Yb	75.8 m	0+	%EC=100
¹⁶⁵Yb	9.9 m	5/2-	%EC+%B+=100
¹⁶⁶Yb	56.7 h	0+	%EC=100
¹⁶⁷Yb	17.5 m	5/2-	%EC+%B+=100
¹⁶⁸Yb	stable	0+	%Abundance=0.13 1
¹⁶⁹Yb	32.026 d	7/2+	%EC=100
^169m1Yb	46 s	1/2-	%IT=100
¹⁷⁰Yb	stable	0+	%Abundance=3.05 6
¹⁷¹Yb	stable	1/2-	%Abundance=14.3 2
^171m1Yb	5.25 ms	7/2+	%IT=100
¹⁷²Yb	stable	0+	%Abundance=21.9 3
¹⁷³Yb	stable	5/2-	%Abundance=16.12 21
¹⁷⁴Yb	stable	0+	%Abundance=31.8 4
¹⁷⁵Yb	4.185 d	7/2-	%B-=100
^175m1Yb	68.2 ms	1/2-	%IT=100
¹⁷⁶Yb	stable	0+	%Abundance=12.7 2
^176m1Yb	11.4 s	(8-)	%IT > 90, %B- < 10
¹⁷⁷Yb	1.911 h	(9/2+)	%B-=100
^177m1Yb	6.41 s	(1/2-)	%IT=100
¹⁷⁸Yb	74 m	0+	%B-=100
¹⁷⁹Yb	8.0 m	(1/2-)	%B-=100
¹⁸⁰Yb	2.4 m	0+	%B-=100
¹⁸¹Yb

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Isotopes of Ytterbium (Z=70)