Tin (Z = 50, A = 99–137)

⁹⁹Sn — Unstable · t½ ≈ 2.1 s · Decay: β⁺ → ⁹⁹In · Type: synthetic · Uses: research.
¹⁰⁰Sn — Unstable (doubly magic) · t½ ≈ 1.1 s · Decay: β⁺ → ¹⁰⁰In · Type: rare synthetic · Uses: nuclear structure studies.
¹⁰¹Sn — Unstable · t½ ≈ 2.0 s · Decay: β⁺ → ¹⁰¹In · Type: synthetic · Uses: research.
¹⁰²Sn — Unstable · t½ ≈ 3.0 s · Decay: β⁺ → ¹⁰²In · Type: synthetic · Uses: research.
¹⁰³Sn — Unstable · t½ ≈ 7.0 s · Decay: β⁺ → ¹⁰³In · Type: synthetic · Uses: research.
¹⁰⁴Sn — Unstable · t½ ≈ 20.8 s · Decay: β⁺ → ¹⁰⁴In · Type: synthetic · Uses: research.
¹⁰⁵Sn — Unstable · t½ ≈ 32.0 s · Decay: β⁺ → ¹⁰⁵In · Type: synthetic · Uses: research.
¹⁰⁶Sn — Unstable · t½ ≈ 115 s · Decay: β⁺ → ¹⁰⁶In · Type: synthetic · Uses: research.
¹⁰⁷Sn — Unstable · t½ ≈ 2.9 min · Decay: β⁺ → ¹⁰⁷In · Type: synthetic · Uses: research.
¹⁰⁸Sn — Unstable · t½ ≈ 10.3 min · Decay: β⁺ → ¹⁰⁸In · Type: synthetic · Uses: research.
¹⁰⁹Sn — Unstable · t½ ≈ 18.0 min · Decay: β⁺ → ¹⁰⁹In · Type: synthetic · Uses: research.
¹¹⁰Sn — Unstable · t½ ≈ 4.1 h · Decay: β⁺ → ¹¹⁰In · Type: activation product · Uses: tracer.
¹¹¹Sn — Unstable · t½ ≈ 35.3 min · Decay: β⁺ → ¹¹¹In · Type: activation · Uses: tracer.
¹¹²Sn — Unstable · t½ ≈ 38.4 min · Decay: β⁺ → ¹¹²In · Type: activation product · Uses: tracer.
¹¹³Sn — Unstable · t½ ≈ 115 d · Decay: β⁻ → ¹¹³Sb · Type: activation · Uses: tracer.
¹¹⁴Sn — Stable · — · Type: stable (primordial) · Uses: alloys, isotope tracer.
¹¹⁵Sn — Unstable · t½ ≈ 4.4 h · Decay: β⁻ → ¹¹⁵Sb · Type: activation product · Uses: tracer.
¹¹⁶Sn — Stable · — · Type: stable (primordial) · Uses: isotopic tracer.
¹¹⁷Sn — Stable · — · Type: stable (primordial) · Uses: isotopic tracer, NMR.
¹¹⁸Sn — Stable · — · Type: stable (primordial) · Uses: isotopic tracer, alloys.
¹¹⁹Sn — Stable · — · Type: stable (primordial) · Uses: isotopic tracer, alloys.
¹²⁰Sn — Stable · — · Type: stable (primordial, most abundant) · Uses: isotope tracer, alloys.
¹²¹Sn — Unstable · t½ ≈ 27.0 h · Decay: β⁻ → ¹²¹Sb · Type: activation product · Uses: tracer.
¹²²Sn — Stable · — · Type: stable (primordial) · Uses: isotope tracer.
¹²³Sn — Unstable · t½ ≈ 129 d · Decay: β⁻ → ¹²³Sb · Type: activation product · Uses: tracer.
¹²⁴Sn — Stable · — · Type: stable (primordial) · Uses: isotope tracer.
¹²⁵Sn — Unstable · t½ ≈ 9.6 d · Decay: β⁻ → ¹²⁵Sb · Type: activation product · Uses: tracer.
¹²⁶Sn — Unstable · t½ ≈ 2.3×10⁵ y · Decay: β⁻ → ¹²⁶Sb · Type: fission product · Uses: nuclear waste tracer.
¹²⁷Sn — Unstable · t½ ≈ 2.1 h · Decay: β⁻ → ¹²⁷Sb · Type: synthetic · Uses: research.
¹²⁸Sn — Unstable · t½ ≈ 59 min · Decay: β⁻ → ¹²⁸Sb · Type: synthetic · Uses: research.
¹²⁹Sn — Unstable · t½ ≈ 2.3 min · Decay: β⁻ → ¹²⁹Sb · Type: synthetic · Uses: research.
¹³⁰Sn — Unstable · t½ ≈ 3.7 min · Decay: β⁻ → ¹³⁰Sb · Type: synthetic · Uses: research.
¹³¹Sn — Unstable · t½ ≈ 56 s · Decay: β⁻ → ¹³¹Sb · Type: synthetic · Uses: research.
¹³²Sn — Unstable (doubly magic) · t½ ≈ 39.7 s · Decay: β⁻ → ¹³²Sb · Type: fission product · Uses: nuclear structure studies.
¹³³Sn — Unstable · t½ ≈ 1.45 s · Decay: β⁻ → ¹³³Sb · Type: synthetic · Uses: research.
¹³⁴Sn — Unstable · t½ ≈ 1.05 s · Decay: β⁻ → ¹³⁴Sb · Type: synthetic · Uses: research.
¹³⁵Sn — Unstable · t½ ≈ 530 ms · Decay: β⁻ → ¹³⁵Sb · Type: synthetic · Uses: research.
¹³⁶Sn — Unstable · t½ ≈ 250 ms · Decay: β⁻ → ¹³⁶Sb · Type: synthetic · Uses: research.
¹³⁷Sn — Unstable · t½ ≈ 160 ms · Decay: β⁻ → ¹³⁷Sb · Type: synthetic · Uses: research.

Tin — isotope count: 39 total · Stable: 10 (¹¹⁴Sn, ¹¹⁶Sn, ¹¹⁷Sn, ¹¹⁸Sn, ¹¹⁹Sn, ¹²⁰Sn, ¹²²Sn, ¹²⁴Sn) — the most of any element · Unstable: 29.
(Data: IAEA LiveChart, NUBASE2020, ENSDF; notable applications include ¹¹³Sn & ¹²⁵Sn tracers, ¹²⁶Sn in nuclear waste studies, and doubly magic nuclei ¹⁰⁰Sn & ¹³²Sn in nuclear structure research.)