Environmental, Chemistry & Hazardous Materials News, Careers & Resources

Periodic Table of Elements

Dy - Dysprosium

Dysprosium Menu

Nuclides / Isotopes

Nuc- lide	Atomic Mass	NN	Abun %	Spin	Half Life	DM	DT	BR %	Decay Energy (MeV)
Dy140	139.954	74	Syn	0+
Dy141	140.951	75	Syn	9/2-	0.9s	ε	Tb141		9.300
					0.9s	ε + P	Gd140		8.800
Dy142	141.946	76	Syn	0+	2.3s	ε + P	Gd141	~8.0E^-5	5.700
					2.3s	ε	Tb142		6.900
Dy143	142.944	77	Syn	1/2+	4.1s	ε	Tb143		8.800
					4.1s	ε + P	Gd142		7.600
Dy144	143.939	78	Syn	0+	9.1s	ε	Tb144		6.200
					9.1s	ε + P	Gd143		4.300
Dy145	144.937	79	Syn	1/2+	10s	ε	Tb145		7.720
meta state 0.000MeV			Syn	11/2-	13.6s	ε	Tb145		7.720
Dy146	145.933	80	Syn	0+	29s	ε	Tb146		5.160
meta state 2.936MeV			Syn	10+	150ms	IT			2.936
Dy147	146.9309	81	Syn	1/2+	40s	ε + P	Gd146	>0	4.430
					40s	ε	Tb147		6.370
meta state 0.751MeV			Syn	11/2-	55s	ε	Tb147	65	7.121
					55s	IT		35	0.751
Dy148	147.9272	82	Syn	0+	3.1m	ε	Tb148		2.678
Dy149	148.9273	83	Syn	7/2-	4.2m	ε	Tb149		3.812
meta state 2.661MeV			Syn	27/2-	490ms	IT		99.3	2.661
					490ms	ε	Tb149	0.7	6.473
Dy150	149.9256	84	Syn	0+	7.17m	ε	Tb150	64	1.794
					7.17m	α	Gd146	36	4.351
Dy151	150.9262	85	Syn	7/2-	17.9m	ε	Tb151	94.4	2.870
					17.9m	α	Gd147	5.6	4.180
Dy152	151.9247	86	Syn	0+	2.38h	ε	Tb152	99.9	0.600
					2.38h	α	Gd148	0.1	3.727
Dy153	152.9258	87	Syn	7/2-	6.4h	ε	Tb153	99.99	2.170
					6.4h	α	Gd149	0.0094	3.559
Dy154	153.9244	88	Syn	0+	3.0E⁶y	α	Gd150		2.947
Dy155	154.9257	89	Syn	3/2-	9.9h	ε	Tb155		2.095
meta state 0.234MeV			Syn	11/2-	6us	IT			0.234
Dy156	155.9243	90	0.06	0+	Stable
Dy157	156.9255	91	Syn	3/2-	8.14h	ε	Tb157		1.341
meta state 0.199MeV			Syn	11/2-	21.6ms	IT			0.199
Dy158	157.9244	92	0.1	0+	Stable
Dy159	158.9257	93	Syn	3/2-	144.4d	ε	Tb159		0.366
Dy160	159.9252	94	2.34	0+	Stable
Dy161	160.9269	95	18.9	5/2+	Stable
Dy162	161.9268	96	25.5	0+	Stable
Dy163	162.9287	97	24.9	5/2-	Stable
Dy164	163.9292	98	28.2	0+	Stable
Dy165	164.9317	99	Syn	7/2+	2.334h	β^-	Ho165		1.286
meta state 0.108MeV			Syn	1/2-	1.257m	IT		97.76	0.108
					1.257m	β^-	Ho165	2.24	1.394
Dy166	165.9328	100	Syn	0+	81.6h	β^-	Ho166		0.486
Dy167	166.9356	101	Syn	1/2-	6.2m	β^-	Ho167		2.350
Dy168	167.937	102	Syn	0+	8.7m	β^-	Ho168		1.600
Dy169	168.94	103	Syn	5/2-	39s	β^-	Ho169		3.200
Dy170	169.943	104	Syn
Dy171	170.946	105	Syn
Dy172	171.949	106	Syn	0+
Dy173	172.953	107	Syn

Nuclide	Potential Parent Nuclides
Dy140	None known
Dy141	None known
Dy142	None known
Dy143	None known
Dy144	Ho144 (Syn)
Dy145	Er146 (Syn)
meta state 0.000MeV	None known
Dy146	Er147 (Syn) Er147m (Syn) Ho146 (Syn)
meta state 2.936MeV	None known
Dy147	Ho147 (Syn)
meta state 0.751MeV	None known
Dy148	Er149 (Syn) Er149m (Syn) Er152 (Syn) Ho148 (Syn) Ho148m (Syn)
Dy149	Er153 (Syn) Ho149 (Syn) Ho149m (Syn)
meta state 2.661MeV	None known
Dy150	Er154 (Syn) Er154m (Syn) Ho150 (Syn) Ho150m (Syn)
Dy151	Er155 (Syn) Ho151 (Syn) Ho151m (Syn)
Dy152	Er156 (Syn) Ho152 (Syn) Ho152m (Syn)
Dy153	Er157 (Syn) Ho153 (Syn) Ho153m (Syn)
Dy154	Ho154 (Syn) Ho154m (Syn) Tb154 (Syn) Tb154m1 (Syn)
Dy155	Ho155 (Syn)
meta state 0.234MeV	None known
Dy156	Ho156 (Syn) Tb156 (Syn)
Dy157	Ho157 (Syn)
meta state 0.199MeV	None known
Dy158	Ho158 (Syn) Ho158m (Syn) Ho158m1 (Syn) Tb158 (Syn) Tb158m (Syn)
Dy159	Ho159 (Syn)
Dy160	Ho160 (Syn) Ho160m (Syn) Tb160 (Syn)
Dy161	Ho161 (Syn) Tb161 (Syn)
Dy162	Ho162 (Syn) Ho162m (Syn) Tb162 (Syn)
Dy163	Ho163 (Syn) Tb163 (Syn)
Dy164	Ho164 (Syn) Tb164 (Syn)
Dy165	Tb165 (Syn)
meta state 0.108MeV	None known
Dy166	None known
Dy167	None known
Dy168	None known
Dy169	None known
Dy170	None known
Dy171	None known
Dy172	None known
Dy173	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)

Dysprosium 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 - Dy - Dysprosium. EnvironmentalChemistry.com. 1995 - 2024. Accessed on-line: 12/21/2024
https://EnvironmentalChemistry.com/yogi/periodic/Dy-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/Dy-pg2.html">echo Periodic Table of Elements: Dy - Dysprosium (EnvironmentalChemistry.com)</a>- This page provides comprehensive nuclide information for the element element Dy - Dysprosium 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

Dy - Dysprosium

Dysprosium Menu

Nuclides / Isotopes

Key:

Dysprosium Menu

References

Related Resources

Citing this page

Linking to this page