Periodic Table/Platinum/²⁰³Pt

← 202Pt204Pt →

²⁰³Pt

Platinum-203

Radioactive· Half-life: 22.0 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

78

Neutrons (N)

125

Mass Number (A)

203

Atomic Mass

202.979055AMU

Spin / Parity

1/2-

Binding E/A

7.670keV

Natural Abundance

Trace / None

Half-life

22.0 s

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

β⁻

100.0%

Decay Chain

²⁰³PtPlatinum22.0 s

β⁻100.0%

²⁰³AuGold1.00 min

β⁻100.0%

²⁰³HgMercury46.6 d

β⁻100.0%

²⁰³TlThalliumSTABLE

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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