Periodic Table/Iridium/¹⁶⁵Ir

← 164Ir166Ir →

¹⁶⁵Ir

Iridium-165

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

77

Neutrons (N)

88

Mass Number (A)

165

Atomic Mass

164.987552AMU

Spin / Parity

1/2+

Binding E/A

7.538keV

Natural Abundance

Trace / None

Half-life

Unknown

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

p

α

Decay Chain

¹⁶⁵IrIridium?

p

α¹⁶¹Re

¹⁶⁴OsOsmium21.0 ms

α96.0%

β⁺¹⁶⁴Re

¹⁶⁰WTungsten90.0 ms

α87.0%

β⁺¹⁶⁰Ta

¹⁵⁶HfHafnium23.0 ms

α100.0%

β⁺¹⁵⁶Lu

¹⁵²YbYtterbium3.03 s

β⁺100.0%

¹⁵²TmThulium8.00 s

β⁺100.0%

¹⁵²ErErbium10.3 s

α90.0%

β⁺¹⁵²Ho10.0%

¹⁴⁸DyDysprosium3.30 min

β⁺100.0%

¹⁴⁸TbTerbium1.00 h

β⁺100.0%

¹⁴⁸GdGadolinium71.3 y

α100.0%

2β⁺¹⁴⁸Sm

¹⁴⁴SmSamariumSTABLE

11-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

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