Master Isotope Table — NIST SRD-128 Kα₁ (Z = 101–118)

ZElemKnownStableUnstablePred.GapNuclear γ (keV)NIST Kα₁ (keV)Context
101Md160163822269.0²⁵⁸Md γ; lab-only
102No130133118347.0²⁵⁹No γ lines
103Lr160163822251.0Longest-lived ²⁶⁶Lr
104Rf180184325298.0²⁶⁷Rf γ
105Db160163822346.0²⁶⁸Db longest-lived
106Sg140143319327.0²⁷¹Sg γ
107Bh150153621347.0²⁷³Bh γ
108Hs150153621350.0²⁷⁰Hs γ
109Mt130133118344.0²⁷⁸Mt γ
110Ds150153621348.0²⁸¹Ds γ
111Rg110112615350.0²⁸²Rg γ
112Cn9092112356.0²⁸⁵Cn γ
113Nh9092112360.0²⁸⁶Nh γ
114Fl606148365.0²⁸⁹Fl γ
115Mc40495370.0²⁹⁰Mc γ
116Lv40495375.0²⁹³Lv γ
117Ts20253380.0²⁹⁴Ts γ
118Og10121385.0²⁹⁴Og (0.89 ms)

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