It's Elemental - Isotopes of the Element Dysprosium

Isotopes of the Element Dysprosium
[Click for Main Data]

Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information.

Isotopes of the Element Dysprosium with a Known Natural Abundance

Mass Number	Natural Abundance	Half-life

156	0.06%	Stable

158	0.10%	Stable

160	2.34%	Stable

161	18.91%	Stable

162	25.51%	Stable

163	24.90%	Stable

164	28.18%	Stable

All Known Isotopes of the Element Dysprosium

Mass Number	Half-life	Decay Mode	Branching Percentage

139	0.6 seconds	Electron Capture	> 0.00

		Electron Capture with delayed Proton Emission	> 0.00

141	0.9 seconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	No Data Available

142	2.3 seconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	0.06

143	3.2 seconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	No Data Available

144	9.1 seconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	No Data Available

145	10.5 seconds	Electron Capture	100.00

145_m	13.6 seconds	Electron Capture	100.00

146	29 seconds	Electron Capture	100.00

146_m	150 milliseconds	Isomeric Transition	100.00

147	40 seconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	> 0.00

147_m	55.7 seconds	Electron Capture	65.00

		Isomeric Transition	35.00

148	3.3 minutes	Electron Capture	100.00

149	4.20 minutes	Electron Capture	100.00

149_m	0.490 seconds	Isomeric Transition	99.30

		Electron Capture	0.70

150	7.17 minutes	Electron Capture	64.00

		Alpha Decay	36.00

151	17.9 minutes	Electron Capture	94.40

		Alpha Decay	5.60

152	2.38 hours	Electron Capture	99.90

		Alpha Decay	0.10

153	6.4 hours	Electron Capture	99.99

		Alpha Decay	9.4E-3

154	3.0×10⁺⁶ years	Alpha Decay	100.00

155	9.9 hours	Electron Capture	100.00

156	Stable	-	-

157	8.14 hours	Electron Capture	100.00

158	Stable	-	-

159	144.4 days	Electron Capture	100.00

160	Stable	-	-

161	Stable	-	-

162	Stable	-	-

163	Stable	Beta-minus Decay	100.00

164	Stable	-	-

165	2.334 hours	Beta-minus Decay	100.00

165_m	1.257 minutes	Isomeric Transition	97.76

		Beta-minus Decay	2.24

166	81.6 hours	Beta-minus Decay	100.00

167	6.20 minutes	Beta-minus Decay	100.00

168	8.7 minutes	Beta-minus Decay	100.00

169	39 seconds	Beta-minus Decay	100.00

170	≈ 30 seconds	Beta-minus Decay	No Data Available

171	≈ 6 seconds	Beta-minus Decay	No Data Available

172	≈ 3 seconds	Beta-minus Decay	No Data Available

173	≈ 2 seconds	Beta-minus Decay	No Data Available

Isotopes of the Element Dysprosium[Click for Main Data]

Isotopes of the Element Dysprosium
[Click for Main Data]