¹⁶⁹Au — Unstable · t½ ≈ 200 ms · Decay: β⁺ → ¹⁶⁹Pt · Type: synthetic · Uses: research.
¹⁷⁰Au — Unstable · t½ ≈ 0.5 s · Decay: β⁺ → ¹⁷⁰Pt · Type: synthetic · Uses: research.
¹⁷¹Au — Unstable · t½ ≈ 1.0 s · Decay: β⁺ → ¹⁷¹Pt · Type: synthetic · Uses: research.
¹⁷²Au — Unstable · t½ ≈ 1.6 s · Decay: β⁺ → ¹⁷²Pt · Type: synthetic · Uses: research.
¹⁷³Au — Unstable · t½ ≈ 3.0 s · Decay: β⁺ → ¹⁷³Pt · Type: synthetic · Uses: research.
¹⁷⁴Au — Unstable · t½ ≈ 2.0 s · Decay: β⁺ → ¹⁷⁴Pt · Type: synthetic · Uses: research.
¹⁷⁵Au — Unstable · t½ ≈ 3.0 s · Decay: β⁺ → ¹⁷⁵Pt · Type: synthetic · Uses: research.
¹⁷⁶Au — Unstable · t½ ≈ 8.0 s · Decay: β⁺ → ¹⁷⁶Pt · Type: synthetic · Uses: research.
¹⁷⁷Au — Unstable · t½ ≈ 9.0 s · Decay: β⁺ → ¹⁷⁷Pt · Type: synthetic · Uses: research.
¹⁷⁸Au — Unstable · t½ ≈ 7.0 s · Decay: β⁺ → ¹⁷⁸Pt · Type: synthetic · Uses: research.
¹⁷⁹Au — Unstable · t½ ≈ 8.0 s · Decay: β⁺ → ¹⁷⁹Pt · Type: synthetic · Uses: research.
¹⁸⁰Au — Unstable · t½ ≈ 14.0 s · Decay: β⁺ → ¹⁸⁰Pt · Type: synthetic · Uses: research.
¹⁸¹Au — Unstable · t½ ≈ 23.0 s · Decay: β⁺ → ¹⁸¹Pt · Type: synthetic · Uses: research.
¹⁸²Au — Unstable · t½ ≈ 15.0 s · Decay: β⁺ → ¹⁸²Pt · Type: synthetic · Uses: research.
¹⁸³Au — Unstable · t½ ≈ 42.0 s · Decay: β⁺ → ¹⁸³Pt · Type: synthetic · Uses: research.
¹⁸⁴Au — Unstable · t½ ≈ 53.0 s · Decay: β⁺ → ¹⁸⁴Pt · Type: synthetic · Uses: research.
¹⁸⁵Au — Unstable · t½ ≈ 4.2 min · Decay: β⁺ → ¹⁸⁵Pt · Type: synthetic · Uses: research.
¹⁸⁶Au — Unstable · t½ ≈ 10.7 min · Decay: β⁺ → ¹⁸⁶Pt · Type: synthetic · Uses: research.
¹⁸⁷Au — Unstable · t½ ≈ 8.7 min · Decay: β⁺ → ¹⁸⁷Pt · Type: synthetic · Uses: research.
¹⁸⁸Au — Unstable · t½ ≈ 2.4 h · Decay: β⁻ → ¹⁸⁸Hg · Type: tracer · Uses: nuclear research.
¹⁸⁹Au — Unstable · t½ ≈ 3.2 h · Decay: β⁻ → ¹⁸⁹Hg · Type: tracer · Uses: nuclear research.
¹⁹⁰Au — Unstable · t½ ≈ 42.8 min · Decay: β⁻ → ¹⁹⁰Hg · Type: tracer · Uses: nuclear research.
¹⁹¹Au — Unstable · t½ ≈ 3.2 h · Decay: β⁻ → ¹⁹¹Hg · Type: tracer · Uses: nuclear research.
¹⁹²Au — Unstable · t½ ≈ 4.9 h · Decay: β⁻ → ¹⁹²Hg · Type: tracer · Uses: nuclear research.
¹⁹³Au — Unstable · t½ ≈ 17.7 h · Decay: β⁻ → ¹⁹³Hg · Type: tracer · Uses: nuclear research.
¹⁹⁴Au — Unstable · t½ ≈ 38.0 h · Decay: β⁻ → ¹⁹⁴Hg · Type: tracer · Uses: nuclear research.
¹⁹⁵Au — Unstable · t½ ≈ 186 d · Decay: β⁻ → ¹⁹⁵Hg · Type: tracer · Uses: long-term nuclear physics.
¹⁹⁶Au — Unstable · t½ ≈ 6.2 d · Decay: β⁻ → ¹⁹⁶Hg · Type: tracer · Uses: nuclear physics.
¹⁹⁷Au — Stable · — · Type: stable (primordial, only stable isotope) · Uses: monetary standard, electronics, alloys, nuclear physics standard.
¹⁹⁸Au — Unstable · t½ ≈ 2.7 d · Decay: β⁻ → ¹⁹⁸Hg · Type: medical isotope · Uses: radiotherapy, nuclear medicine.
¹⁹⁹Au — Unstable · t½ ≈ 3.1 d · Decay: β⁻ → ¹⁹⁹Hg · Type: tracer · Uses: nuclear physics.
²⁰⁰Au — Unstable · t½ ≈ 48.4 min · Decay: β⁻ → ²⁰⁰Hg · Type: tracer · Uses: nuclear physics.
²⁰¹Au — Unstable · t½ ≈ 26.0 min · Decay: β⁻ → ²⁰¹Hg · Type: tracer · Uses: nuclear research.
²⁰²Au — Unstable · t½ ≈ 30.8 s · Decay: β⁻ → ²⁰²Hg · Type: tracer · Uses: research.
²⁰³Au — Unstable · t½ ≈ 17.0 s · Decay: β⁻ → ²⁰³Hg · Type: tracer · Uses: research.
Gold — isotope count: 35 total · Stable: 1 (¹⁹⁷Au) · Unstable: 34.
(Data: IAEA LiveChart, NUBASE2020, ENSDF; notable applications: ¹⁹⁷Au standard isotope in physics, ¹⁹⁸Au in radiotherapy, other Au isotopes as tracers in nuclear physics.)
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