Periodic Table/Osmium/¹⁸¹Os

← 180Os182Os →

¹⁸¹Os

Osmium-181

Radioactive· Half-life: 1.75 h

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

76

Neutrons (N)

105

Mass Number (A)

181

Atomic Mass

180.953247AMU

Spin / Parity

1/2-

Binding E/A

7.769keV

Natural Abundance

Trace / None

Half-life

1.75 h

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

β⁺

100.0%

Decay Chain

¹⁸¹OsOsmium1.75 h

β⁺100.0%

¹⁸¹ReRhenium19.9 h

β⁺100.0%

¹⁸¹WTungsten121 d

EC100.0%

¹⁸¹TaTantalumSTABLE

4-step decay chain → stable · Primary path shown

Other Isotopes of Osmium

161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203

← Back to OsmiumData: IAEA NDS · ENSDF