Technetium-99
Isotope
Technetium-99 is an isotope of technetium which decays with a half-life of 211,000 years to stable ruthenium-99, emitting beta particles, but no gamma rays. Wikipedia
Protons: 43
Neutrons: 56
Beta decay: 0.2975
Binding energy: 8613.610±0.009 keV
Half-life (t1/2): 211100±1200 years
Names: technetium-99, 99Tc, Tc-99
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