Periodic Table/Iridium/¹⁷⁰Ir

← 169Ir171Ir →

¹⁷⁰Ir

Iridium-170

Radioactive· Half-life: 910 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

77

Neutrons (N)

93

Mass Number (A)

170

Atomic Mass

169.975113AMU

Spin / Parity

3-

Binding E/A

7.622keV

Natural Abundance

Trace / None

Half-life

910 ms

Decay Modesoverview · half-life · α · β⁻ · β⁺

β⁺

α

5.2%

Decay Chain

¹⁷⁰IrIridium910 ms

α5.20%

β⁺¹⁷⁰Os

¹⁶⁶ReRhenium2.25 s

β⁺88.0%

α¹⁶²Ta12.0%

¹⁶⁶WTungsten19.2 s

β⁺100.0%

α¹⁶²Hf0.04%

¹⁶⁶TaTantalum34.4 s

β⁺100.0%

¹⁶⁶HfHafnium6.77 min

β⁺100.0%

¹⁶⁶LuLutetium2.65 min

β⁺100.0%

¹⁶⁶YbYtterbium2.36 d

EC100.0%

¹⁶⁶TmThulium7.70 h

β⁺100.0%

¹⁶⁶ErErbiumSTABLE

9-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Iridium

163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205

← Back to IridiumData: IAEA NDS · ENSDF