Periodic Table/Platinum/¹⁶⁵Pt

166Pt →

¹⁶⁵Pt

Platinum-165

Radioactive· Half-life: 370 μs

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

78

Neutrons (N)

87

Mass Number (A)

165

Atomic Mass

164.999658AMU

Spin / Parity

7/2-

Binding E/A

7.462keV

Natural Abundance

Trace / None

Half-life

370 μs

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

α

100.0%

Decay Chain

¹⁶⁵PtPlatinum370 μs

α100.0%

¹⁶¹OsOsmium640 μs

α100.0%

¹⁵⁷WTungsten275 ms

β⁺100.0%

α¹⁵³Hf0.00%

¹⁵⁷TaTantalum10.1 ms

α96.6%

p¹⁵⁶Hf3.40%

β⁺¹⁵⁷Hf

¹⁵³LuLutetium900 ms

α

β⁺¹⁵³Yb

p¹⁵²Yb0.00%

¹⁴⁹TmThulium900 ms

β⁺100.0%

β⁺p¹⁴⁸Ho0.26%

¹⁴⁹ErErbium4.00 s

β⁺100.0%

β⁺p¹⁴⁸Dy7.00%

¹⁴⁹HoHolmium21.1 s

β⁺100.0%

¹⁴⁹DyDysprosium4.20 min

β⁺100.0%

¹⁴⁹TbTerbium4.12 h

β⁺83.3%

α¹⁴⁵Eu16.7%

¹⁴⁹GdGadolinium9.28 d

β⁺100.0%

α¹⁴⁵Sm4.30%

¹⁴⁹EuEuropium93.1 d

EC100.0%

¹⁴⁹SmSamariumSTABLE

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

Other Isotopes of Platinum

165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208

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