Periodic Table/Iridium/²⁰¹Ir

← 200Ir202Ir →

²⁰¹Ir

Iridium-201

Radioactive· Half-life: 21.0 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

77

Neutrons (N)

124

Mass Number (A)

201

Atomic Mass

200.978701AMU

Spin / Parity

3/2+

Binding E/A

7.675keV

Natural Abundance

Trace / None

Half-life

21.0 s

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

β⁻

100.0%

Decay Chain

²⁰¹IrIridium21.0 s

β⁻100.0%

²⁰¹PtPlatinum2.50 min

β⁻100.0%

²⁰¹AuGold26.0 min

β⁻100.0%

²⁰¹HgMercurySTABLE

4-step decay chain → stable · Primary path shown

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