Periodic Table/Gold/¹⁷⁴Au

← 173Au175Au →

¹⁷⁴Au

Gold-174

Radioactive· Half-life: 139 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

79

Neutrons (N)

95

Mass Number (A)

174

Atomic Mass

173.984908AMU

Spin / Parity

3-

Binding E/A

7.565keV

Natural Abundance

Trace / None

Half-life

139 ms

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

α

90.0%

β⁺

Decay Chain

¹⁷⁴AuGold139 ms

α90.0%

β⁺¹⁷⁴Pt

¹⁷⁰IrIridium910 ms

α5.20%

β⁺¹⁷⁰Os

¹⁶⁶ReRhenium2.25 s

β⁺88.0%

α¹⁶²Ta12.0%

¹⁶⁶WTungsten19.2 s

β⁺100.0%

α¹⁶²Hf0.04%

¹⁶⁶TaTantalum34.4 s

β⁺100.0%

¹⁶⁶HfHafnium6.77 min

β⁺100.0%

¹⁶⁶LuLutetium2.65 min

β⁺100.0%

¹⁶⁶YbYtterbium2.36 d

EC100.0%

¹⁶⁶TmThulium7.70 h

β⁺100.0%

¹⁶⁶ErErbiumSTABLE

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

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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