Environmental, Chemistry & Hazardous Materials News, Careers & Resources

Periodic Table of Elements

Rb - Rubidium

Rubidium Menu

Nuclides / Isotopes

Nuc- lide	Atomic Mass	NN	Abun %	Spin	Half Life	DM	DT	BR %	Decay Energy (MeV)
Rb71	70.965	34	Syn
Rb72	71.959	35	Syn
Rb73	72.95	36	Syn
Rb74	73.944	37	Syn	0+	64.9ms	ε	Kr74		10.400
Rb75	74.9386	38	Syn	2-, 5/2-	19s	ε	Kr75		7.020
Rb76	75.9351	39	Syn	1-	36.5s	ε	Kr76		8.500
Rb77	76.9304	40	Syn	3/2-	3.77m	ε	Kr77		5.346
Rb78	77.9281	41	Syn	0+	17.66m	ε	Kr78		7.224
meta state 0.103MeV			Syn	4-	5.74m	ε	Kr78	90	7.327
					5.74m	IT		10	0.103
Rb79	78.9231	42	Syn	5/2+	22.9m	ε	Kr79		3.649
Rb80	79.9225	43	Syn	1+	34s	ε	Kr80		5.723
Rb81	80.919	44	Syn	3/2-	4.576h	ε	Kr81		2.237
meta state 0.086MeV			Syn	9/2+	30.5m	IT		97.6	0.086
					30.5m	ε	Kr81	2.4	2.323
Rb82	81.9182	45	Syn	1+	1.273m	ε	Kr82		4.400
meta state 0.068MeV			Syn	5-	6.472h	IT	Rb82	<0.33	0.069
					6.472h	ε	Kr82		4.469
Rb83	82.9151	46	Syn	5/2-	86.2d	ε	Kr83		0.910
meta state			Syn	9/2+	7.8ms	ε
					7.8ms	IT
Rb84	83.9144	47	Syn	2-	32.77d	ε	Kr84	96.2	2.681
					32.77d	β^-	Sr84	3.8	0.894
meta state 0.463MeV			Syn	6-	20.26m	IT			0.464
Rb85	84.9118	48	72.165	5/2-	Stable
Rb86	85.9112	49	Syn	2-	18.631d	β^-	Sr86	99.99	1.774
					18.631d	ε	Kr86	0.0052	0.519
meta state 0.556MeV			Syn	6-	1.017m	IT			0.556
Rb87	86.9092	50	27.835	3/2-	4.75E¹⁰y	β^-	Sr87		0.283
Rb88	87.9113	51	Syn	2-	17.78m	β^-	Sr88		5.316
Rb89	88.9123	52	Syn	3/2-	15.15m	β^-	Sr89		4.501
Rb90	89.9148	53	Syn	0-	158s	β^-	Sr90		6.590
meta state 0.107MeV			Syn	3-	258s	β^-	Sr90	97.4	6.697
					258s	IT		2.6	0.107
Rb91	90.9165	54	Syn	3/2-	58.4s	β^-	Sr91		5.861
Rb92	91.9197	55	Syn	0-	4.492s	β^- + N	Sr91	0.01	0.763
					4.492s	β^-	Sr92		8.105
Rb93	92.922	56	Syn	5/2-	5.84s	β^- + N	Sr92	1.39	2.178
					5.84s	β^-	Sr93		7.462
Rb94	93.9264	57	Syn	3-	2.702s	β^- + N	Sr93	10.01	3.560
					2.702s	β^-	Sr94		10.307
Rb95	94.9293	58	Syn	5/2-	377.5ms	β^- + N	Sr94	8.73	4.932
					377.5ms	β^-	Sr95		9.279
Rb96	95.9343	59	Syn	2+	0.199s	β^- + N	Sr95	14	5.861
					0.199s	β^-	Sr96		11.756
Rb97	96.9373	60	Syn	3/2+	169.9ms	β^- + N	Sr96	25.1	6.540
					169.9ms	β^-	Sr97		10.420
Rb98	97.9417	61	Syn	1, 0	114ms	β^- + N	Sr97	13.6	6.460
					114ms	β^- + 2N	Sr96	0.05	2.570
					114ms	β^-	Sr98		12.344
meta state 0270MeV			Syn	4, 5	96ms	β^-	Sr98		12.614
					96ms	β^- + N	Sr97		6.730
Rb99	98.945	62	Syn	5/2+	50.3ms	β^- + N	Sr98	20.7	7.610
					50.3ms	β^-	Sr99		11.250
Rb100	99.95	63	Syn		51ms	β^- + N	Sr99	6	7.400
					51ms	β^- + 2N	Sr98	0.16	13.500
					51ms	β^-	Sr100		13.500
Rb101	100.953	64	Syn	3/2+	32ms	β^- + N	Sr100	31	8.550
					32ms	β^-	Sr101		11.810
Rb102	101.959	65	Syn		37ms	β^- + N	Sr101	18
					37ms	β^-	Sr102

Nuclide	Potential Parent Nuclides
Rb71	None known
Rb72	None known
Rb73	None known
Rb74	None known
Rb75	Sr75 (Syn)
Rb76	Sr76 (Syn) Y77 (Syn)
Rb77	Sr77 (Syn)
Rb78	Sr78 (Syn) Y79 (Syn)
meta state 0.103MeV	None known
Rb79	Sr79 (Syn)
Rb80	Sr80 (Syn)
Rb81	Sr81 (Syn)
meta state 0.086MeV	None known
Rb82	Rb82m (Syn) Sr82 (Syn)
meta state 0.068MeV	None known
Rb83	Sr83 (Syn)
meta state	None known
Rb84	None known
meta state 0.463MeV	None known
Rb85	Kr85 (Syn) Kr85m (Syn) Sr85 (Syn) Sr85m (Syn)
Rb86	None known
meta state 0.556MeV	None known
Rb87	Kr87 (Syn) Sr87m (Syn)
Rb88	Kr88 (Syn)
Rb89	Kr89 (Syn)
Rb90	Kr90 (Syn)
meta state 0.107MeV	None known
Rb91	Kr91 (Syn) Kr92 (Syn)
Rb92	Kr92 (Syn) Kr93 (Syn)
Rb93	Kr93 (Syn) Kr94 (Syn)
Rb94	Kr94 (Syn)
Rb95	Kr95 (Syn)
Rb96	None known
Rb97	Kr97 (Syn)
Rb98	None known
meta state 0270MeV	None known
Rb99	None known
Rb100	None known
Rb101	None known
Rb102	None known
Key: NN = Number of Neutrons Abun % = Natural Abundance (as a percentage) Syn = Synthetic Nuclide (does not occur in nature) DM = Decay Mode α = Alpha emission β^- = Beta emission β^- β^- = Double beta decay β⁺ = Positron emission ε = Electron Capture IT = Isomeric Transition N = Neutron emission P = Proton emission SF = Spontaneous Fission DT = Decays To BR % = Branch Ratio (as a percentage)

Rubidium Menu

References

A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.

Related Resources

Anatomy of the Atom
Answers many questions regarding the structure of atoms.
Molarity, Molality and Normality
Introduces stoichiometry and explains the differences between molarity, molality and normality.
Molar Mass Calculations and Javascript Calculator
Molar mass calculations are explained and there is a JavaScript calculator to aid calculations.
Chemical Database
This database focuses on the most common chemical compounds used in the home and industry.

Citing this page

If you need to cite this page, you can copy this text:

Kenneth Barbalace. Periodic Table of Elements - Rb - Rubidium. EnvironmentalChemistry.com. 1995 - 2024. Accessed on-line: 12/30/2024
https://EnvironmentalChemistry.com/yogi/periodic/Rb-pg2.html
.

Linking to this page

If you would like to link to this page from your website, blog, etc., copy and paste this link code (in red) and modify it to suit your needs:

<a href="https://EnvironmentalChemistry.com/yogi/periodic/Rb-pg2.html">echo Periodic Table of Elements: Rb - Rubidium (EnvironmentalChemistry.com)</a>- This page provides comprehensive nuclide information for the element element Rb - Rubidium including: nuclide decay modes, half-life, branch ratios, decay energy, etc.
.

NOTICE: While linking to articles is encouraged, OUR ARTICLES MAY NOT BE COPIED TO OR REPUBLISHED ON ANOTHER WEBSITE UNDER ANY CIRCUMSTANCES.

PLEASE, if you like an article we published simply link to it on our website do not republish it.

Periodic Table of Elements

Rb - Rubidium

Rubidium Menu

Nuclides / Isotopes

Key:

Rubidium Menu

References

Related Resources

Citing this page

Linking to this page