Periodic Table/Iridium/¹⁷³Ir

← 172Ir174Ir →

¹⁷³Ir

Iridium-173

Radioactive· Half-life: 9.00 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

77

Neutrons (N)

96

Mass Number (A)

173

Atomic Mass

172.967505AMU

Spin / Parity

1/2+

Binding E/A

7.671keV

Natural Abundance

Trace / None

Half-life

9.00 s

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

β⁺

96.5%

α

3.5%

Decay Chain

¹⁷³IrIridium9.00 s

β⁺96.5%

α¹⁶⁹Re3.50%

¹⁷³OsOsmium22.4 s

β⁺99.6%

α¹⁶⁹W0.40%

¹⁷³ReRhenium2.00 min

β⁺100.0%

¹⁷³WTungsten7.60 min

β⁺100.0%

¹⁷³TaTantalum3.14 h

β⁺100.0%

¹⁷³HfHafnium23.6 h

β⁺100.0%

¹⁷³LuLutetium1.37 y

EC100.0%

¹⁷³YbYtterbiumSTABLE

8-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