Periodic Table/Iridium/¹⁹⁰Ir

← 189Ir191Ir →

¹⁹⁰Ir

Iridium-190

Radioactive· Half-life: 11.8 d

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

77

Neutrons (N)

113

Mass Number (A)

190

Atomic Mass

189.960543AMU

Spin / Parity

4

Binding E/A

7.741keV

Natural Abundance

Trace / None

Half-life

11.8 d

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

β⁺

100.0%

e+

0.0%

Decay Chain

¹⁹⁰IrIridium11.8 d

β⁺100.0%

e+¹⁹⁰Os0.00%

¹⁹⁰OsOsmiumSTABLE

2-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