Periodic Table/Osmium/¹⁹⁷Os

← 196Os198Os →

¹⁹⁷Os

Osmium-197

Radioactive· Half-life: 1.55 min

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

76

Neutrons (N)

121

Mass Number (A)

197

Atomic Mass

196.973076AMU

Spin / Parity

5/2-

Binding E/A

7.700keV

Natural Abundance

Trace / None

Half-life

1.55 min

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

β⁻

100.0%

Decay Chain

¹⁹⁷OsOsmium1.55 min

β⁻100.0%

¹⁹⁷IrIridium5.80 min

β⁻100.0%

¹⁹⁷PtPlatinum19.9 h

β⁻100.0%

¹⁹⁷AuGoldSTABLE

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