Isotopes of rhodium
List of isotopes
Abbreviations: EC: Electron capture IT: Isomeric transition Bold for stable isotopes Fission product

Isotopes of rhodium

Section Title: List of isotopes
Table Section Text: Abbreviations: EC: Electron capture IT: Isomeric transition Bold for stable isotopes Fission product

nuclide symbol	Z(p)	N(n)	isotopic mass (u)	half-life	decay mode(s)	daughter isotope(s)	nuclear spin and parity	representative isotopic composition (mole fraction)	range of natural variation (mole fraction)

excitation energy

89Rh	45	44	88.94884(48)#	10# ms [>1.5 µs]	β+	89Ru	7/2+#

90Rh	45	45	89.94287(54)#	15(7) ms [12(+9−4) ms]	β+	90Ru	0+#

90mRh	0(500)# keV	1.1(3) s [1.0(+3−2) s]	9+#

91Rh	45	46	90.93655(43)#	1.74(14) s	β+	91Ru	7/2+#

91mRh	1.46(11) s	(1/2−)

92Rh	45	47	91.93198(43)#	4.3(13) s	β+	92Ru	(6+)

92mRh	4.66(25) s [2.9(+15−8) s]	(≥6+)

93Rh	45	48	92.92574(43)#	11.9(7) s	β+	93Ru	9/2+#

94Rh	45	49	93.92170(48)#	70.6(6) s	β+ (98.2%)	94Ru	(2+,4+)

β+, p (1.79%)	93Tc

94mRh	300(200)# keV	25.8(2) s	β+	94Ru	(8+)

95Rh	45	50	94.91590(16)	5.02(10) min	β+	95Ru	(9/2)+

95mRh	543.3(3) keV	1.96(4) min	IT (88%)	95Rh	(1/2)−

β+ (12%)	95Ru

96Rh	45	51	95.914461(14)	9.90(10) min	β+	96Ru	(6+)

96mRh	52.0(1) keV	1.51(2) min	IT (60%)	96Rh	(3+)

β+ (40%)	96Ru

97Rh	45	52	96.91134(4)	30.7(6) min	β+	97Ru	9/2+

97mRh	258.85(17) keV	46.2(16) min	β+ (94.4%)	97Ru	1/2−

IT (5.6%)	97Rh

98Rh	45	53	97.910708(13)	8.72(12) min	β+	98Ru	(2)+

98mRh	60(50)# keV	3.6(2) min	IT	98Rh	(5+)

β+	98Ru

99Rh	45	54	98.908132(8)	16.1(2) d	β+	99Ru	1/2−

99mRh	64.3(4) keV	4.7(1) h	β+ (99.83%)	99Ru	9/2+

IT (.16%)	99Rh

100Rh	45	55	99.908122(20)	20.8(1) h	β+	100Ru	1−

100m1Rh	107.6(2) keV	4.6(2) min	IT (98.3%)	100Rh	(5+)

β+ (1.7%)	100Ru

100m2Rh	74.78(2) keV	214.0(20) ns	(2)+

100m3Rh	112.0+X keV	130(10) ns	(7+)

101Rh	45	56	100.906164(18)	3.3(3) y	EC	101Ru	1/2−

101mRh	157.32(4) keV	4.34(1) d	EC (93.6%)	101Ru	9/2+

IT (6.4%)	Rh

102Rh	45	57	101.906843(5)	207.0(15) d	β+ (80%)	102Ru	(1−,2−)

β− (20%)	102Pd

102mRh	140.75(8) keV	3.742(10) y	β+ (99.77%)	102Ru	6+

IT (.23%)	102Rh

103Rh	45	58	102.905504(3)	Stable	1/2−	1.0000

103mRh	39.756(6) keV	56.114(9) min	IT	103Rh	7/2+

104Rh	45	59	103.906656(3)	42.3(4) s	β− (99.55%)	104Pd	1+

β+ (.449%)	104Ru

104mRh	128.967(4) keV	4.34(3) min	5+

105Rh	45	60	104.905694(4)	35.36(6) h	β−	105Pd	7/2+

105mRh	129.781(4) keV	42.9(3) s	IT	105Rh	1/2−

β−	105Pd

106Rh	45	61	105.907287(8)	29.80(8) s	β−	106Pd	1+

106mRh	136(12) keV	131(2) min	β−	106Pd	(6)+

107Rh	45	62	106.906748(13)	21.7(4) min	β−	107Pd	7/2+

107mRh	268.36(4) keV	>10 µs	1/2−

108Rh	45	63	107.90873(11)	16.8(5) s	β−	108Pd	1+

108mRh	60(110) keV	6.0(3) min	β−	108Pd	(5)(+#)

109Rh	45	64	108.908737(13)	80(2) s	β−	109Pd	7/2+

110Rh	45	65	109.91114(5)	28.5(15) s	β−	110Pd	(>3)(+#)

110mRh	60(50) keV	3.2(2) s	β−	110Pd	1+

111Rh	45	66	110.91159(3)	11(1) s	β−	111Pd	(7/2+)

112Rh	45	67	111.91439(6)	3.45(37) s	β−	112Pd	1+

112mRh	330(70) keV	6.73(15) s	β−	112Pd	(4,5,6)

113Rh	45	68	112.91553(5)	2.80(12) s	β−	113Pd	(7/2+)

114Rh	45	69	113.91881(12)	1.85(5) s	β− (>99.9%)	114Pd	1+

β−, n (<.1%)	113Pd

114mRh	200(150)# keV	1.85(5) s	β−	114Pd	(4,5)

115Rh	45	70	114.92033(9)	0.99(5) s	β−	115Pd	(7/2+)#

116Rh	45	71	115.92406(15)	0.68(6) s	β− (>99.9%)	116Pd	1+

β−, n (<.1%)	115Pd

116mRh	200(150)# keV	570(50) ms	β−	116Pd	(6−)

117Rh	45	72	116.92598(54)#	0.44(4) s	β−	117Pd	(7/2+)#

118Rh	45	73	117.93007(54)#	310(30) ms	β−	118Pd	(4−10)(+#)

119Rh	45	74	118.93211(64)#	300# ms [>300 ns]	β−	119Pd	7/2+#

120Rh	45	75	119.93641(64)#	200# ms [>300 ns]	β−	120Pd

121Rh	45	76	120.93872(97)#	100# ms [>300 ns]	β−	121Pd	7/2+#

122Rh	45	77	121.94321(75)#	50# ms [>300 ns]

Sentence(s)

¹⁰⁰Rh (half-life: 20.8 hours) and ¹⁰⁵Rh (half-life: 35.36 hours).

final_sentence: ¹⁰⁰Rh (half-life: 20.8 hours) and ¹⁰⁵Rh (half-life: 35.36 hours).