Periodic Table/Platinum/²⁰⁵Pt

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²⁰⁵Pt

Platinum-205

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

78

Neutrons (N)

127

Mass Number (A)

205

Atomic Mass

204.986237AMU

Spin / Parity

9/2+

Binding E/A

7.642keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

Decay Chain

²⁰⁵PtPlatinum?

β⁻

²⁰⁵AuGold32.0 s

β⁻100.0%

²⁰⁵HgMercury5.14 min

β⁻100.0%

²⁰⁵TlThalliumSTABLE

4-step decay chain → stable · Primary path shown

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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