Periodic Table/Osmium/¹⁶⁹Os

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¹⁶⁹Os

Osmium-169

Radioactive· Half-life: 3.46 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

76

Neutrons (N)

93

Mass Number (A)

169

Atomic Mass

168.967018AMU

Spin / Parity

5/2-

Binding E/A

7.671keV

Natural Abundance

Trace / None

Half-life

3.46 s

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

β⁺

86.3%

α

13.7%

Decay Chain

¹⁶⁹OsOsmium3.46 s

β⁺86.3%

α¹⁶⁵W13.7%

¹⁶⁹ReRhenium8.10 s

α0.01%

β⁺¹⁶⁹W

¹⁶⁵TaTantalum31.0 s

β⁺100.0%

¹⁶⁵HfHafnium1.27 min

β⁺100.0%

¹⁶⁵LuLutetium10.7 min

β⁺100.0%

¹⁶⁵YbYtterbium9.90 min

β⁺100.0%

¹⁶⁵TmThulium1.25 d

β⁺100.0%

¹⁶⁵ErErbium10.4 h

EC100.0%

¹⁶⁵HoHolmiumSTABLE

9-step decay chain → stable · Primary path shown · branching ratios indicated

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