Periodic Table/Iridium/²⁰⁴Ir

← 203Ir205Ir →

²⁰⁴Ir

Iridium-204

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

77

Neutrons (N)

127

Mass Number (A)

204

Atomic Mass

203.989726AMU

Spin / Parity

—

Binding E/A

7.630keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

β⁻n

Decay Chain

²⁰⁴IrIridium?

β⁻

β⁻n²⁰³Pt

²⁰⁴PtPlatinum10.3 s

β⁻100.0%

²⁰⁴AuGold38.3 s

β⁻100.0%

²⁰⁴HgMercurySTABLE

4-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