Periodic Table/Gold/²⁰⁵Au

← 204Au206Au →

²⁰⁵Au

Gold-205

Radioactive· Half-life: 32.0 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

79

Neutrons (N)

126

Mass Number (A)

205

Atomic Mass

204.980064AMU

Spin / Parity

3/2+

Binding E/A

7.663keV

Natural Abundance

Trace / None

Half-life

32.0 s

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

β⁻

100.0%

Decay Chain

²⁰⁵AuGold32.0 s

β⁻100.0%

²⁰⁵HgMercury5.14 min

β⁻100.0%

²⁰⁵TlThalliumSTABLE

3-step decay chain → stable · Primary path shown

Other Isotopes of Gold

168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210

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