Periodic Table/Osmium/¹⁶⁶Os

← 165Os167Os →

¹⁶⁶Os

Osmium-166

Radioactive· Half-life: 213 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

76

Neutrons (N)

90

Mass Number (A)

166

Atomic Mass

165.972698AMU

Spin / Parity

0+

Binding E/A

7.632keV

Natural Abundance

Trace / None

Half-life

213 ms

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

α

83.0%

β⁺

17.0%

Decay Chain

¹⁶⁶OsOsmium213 ms

α83.0%

β⁺¹⁶⁶Re17.0%

¹⁶²WTungsten1.19 s

α45.2%

β⁺¹⁶²Ta

¹⁵⁸HfHafnium2.85 s

β⁺55.7%

α¹⁵⁴Yb44.3%

¹⁵⁸LuLutetium10.6 s

β⁺99.1%

α¹⁵⁴Tm0.91%

¹⁵⁸YbYtterbium1.49 min

β⁺100.0%

α¹⁵⁴Er0.00%

¹⁵⁸TmThulium3.98 min

β⁺100.0%

¹⁵⁸ErErbium2.29 h

EC100.0%

¹⁵⁸HoHolmium11.3 min

β⁺100.0%

α¹⁵⁴Tb

¹⁵⁸DyDysprosiumSTABLE

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