Periodic Table/Platinum/²⁰⁸Pt

← 207Pt

²⁰⁸Pt

Platinum-208

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

78

Neutrons (N)

130

Mass Number (A)

208

Atomic Mass

207.999463AMU

Spin / Parity

0+

Binding E/A

7.589keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

β⁻n

Decay Chain

²⁰⁸PtPlatinum?

β⁻

β⁻n²⁰⁷Au

²⁰⁸AuGold?

β⁻

β⁻n²⁰⁷Hg

²⁰⁸HgMercury2.25 min

β⁻100.0%

²⁰⁸TlThallium3.05 min

β⁻100.0%

²⁰⁸PbLeadSTABLE

5-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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