İzotop	Kütlesi	Yarı ömrü	Bozunma Şekli	Dönüştüğü İzotop	Nükleer Spin
74Rb	73,944	0,0649 sn.	e- yakalama	74Kr	0
75Rb	74,9386	19 sn.	e- yakalama	75Kr	2-, 5/2-
76Rb	75,9351	36,5 sn.	e- yakalama	76Kr	1-
77Rb	76,9304	3,77 dk.	e- yakalama	77Kr	3/2-
78Rb	77,9281	17,66 dk.	e- yakalama	78Kr	0
79Rb	78,9231	22,9 dk.	e- yakalama	79Kr	5/2
80Rb	79,9225	34 sn.	e- yakalama	80Kr	1
81Rb	80,919	4,576 saat	e- yakalama	81Kr	3/2-
82Rb	81,9182	1,273 dk.	e- yakalama	82Kr	1
83Rb	82,9151	86,2 gün	e- yakalama	83Kr	5/2-
84Rb	83,9144	32,77 gün	e- yakalama	84Kr	2-
			-	84Sr
86Rb	85,9112	18.631 gün	-	86Sr	2-
			e- yakalama	86Kr
87Rb	86,9092	48,8x109yıl	-	87Sr	3/2-
88Rb	87,9113	17,78 dk.	-	88Sr	2-
89Rb	88,9123	15,15 dk.	-	89Sr	3/2-
90Rb	89,9148	158 sn.	-	90Sr	0-
91Rb	90,9165	58,4 sn.	-	91Sr	3/2-
92Rb	91,9197	4,492 sn.	- + n0	91Sr	0-
			-	92Sr
93Rb	92,922	5,84 sn.	- + n0	92Sr	5/2-
			-	93Sr
94Rb	93,9264	2,702 sn.	- + n0	93Sr	3-
			-	94Sr
95Rb	94,9293	0,3775 sn.	- + n0	94Sr	5/2-
			-	95Sr
96Rb	95,9343	0,199 sn.	- + n0	95Sr	2
			-	96Sr
97Rb	96,9373	0,1699 sn.	- + n0	96Sr	3/2
			-	97Sr
98Rb	97,9417	0,114 sn.	- + n0	97Sr	1, 0
			- + 2n0	96Sr
			-	98Sr
99Rb	98,945	0,0503 sn.	- + n0	98Sr	5/2
			-	99Sr
100Rb	99,95	0,0051 sn.	- + n0	99Sr
			- + 2n0	98Sr
			-	100Sr
101Rb	100,953	0,0032 sn.	- + n0	100Sr	3/2
			-	101Sr
102Rb	101,959	0,0037 sn.	- + n0	101Sr
			-	102Sr

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