²⁴⁵Md — Unstable · t½ ≈ 0.9 ms · Decay: α → ²⁴¹Es · Type: synthetic · Uses: research.
²⁴⁶Md — Unstable · t½ ≈ 0.9 s · Decay: α → ²⁴²Es · Type: synthetic · Uses: research.
²⁴⁷Md — Unstable · t½ ≈ 1.1 s · Decay: α → ²⁴³Es · Type: synthetic · Uses: research.
²⁴⁸Md — Unstable · t½ ≈ 7.0 s · Decay: α → ²⁴⁴Es · Type: synthetic · Uses: research.
²⁴⁹Md — Unstable · t½ ≈ 26.0 s · Decay: α → ²⁴⁵Es · Type: synthetic · Uses: research.
²⁵⁰Md — Unstable · t½ ≈ 53.0 s · Decay: α → ²⁴⁶Es · Type: synthetic · Uses: research.
²⁵¹Md — Unstable · t½ ≈ 4.0 min · Decay: α → ²⁴⁷Es · Type: synthetic · Uses: research.
²⁵²Md — Unstable · t½ ≈ 2.3 min · Decay: α → ²⁴⁸Es · Type: synthetic · Uses: research.
²⁵³Md — Unstable · t½ ≈ 10.0 min · Decay: α → ²⁴⁹Es · Type: synthetic · Uses: research.
²⁵⁴Md — Unstable · t½ ≈ 10.0 min · Decay: α → ²⁵⁰Es · Type: synthetic · Uses: research.
²⁵⁵Md — Unstable · t½ ≈ 27.0 min · Decay: α → ²⁵¹Es · Type: synthetic · Uses: research.
²⁵⁶Md — Unstable · t½ ≈ 77 min · Decay: EC → ²⁵⁶Fm · Type: synthetic · Uses: research.
²⁵⁷Md — Unstable · t½ ≈ 5.5 h · Decay: EC → ²⁵⁷Fm · Type: synthetic · Uses: research.
²⁵⁸Md — Unstable · t½ ≈ 51.5 d · Decay: EC → ²⁵⁸Fm · Type: synthetic · Uses: tracer, nuclear structure studies.
²⁵⁹Md — Unstable · t½ ≈ 1.6 h · Decay: EC → ²⁵⁹Fm · Type: synthetic · Uses: research.
²⁶⁰Md — Unstable · t½ ≈ 31.8 d · Decay: EC → ²⁶⁰Fm · Type: synthetic · Uses: research.
Mendelevium — isotope count: 16 total · Stable: none · Unstable: 16.
(Data: IAEA LiveChart, NUBASE2020, ENSDF, Wikipedia “Isotopes of mendelevium.” Notable applications: ²⁵⁸Md and ²⁶⁰Md in tracer and nuclear structure studies; all isotopes produced synthetically.)
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