Isotopes of molybdenum

<p><a href="/facts/Molybdenum/RX6vp2bF">Molybdenum</a> (42Mo) has 39 known <a href="/facts/Isotope/KD9B1y6o">isotopes</a>, ranging in <a href="/facts/Atomic_mass/J1FJY9MV">atomic mass</a> from 81 to 119, as well as four metastable <a href="/facts/Nuclear_isomer/L8DHcqnk">nuclear isomers</a>. Seven isotopes occur naturally, with atomic masses of 92, 94, 95, 96, 97, 98, and 100. All unstable isotopes of molybdenum decay into isotopes of <a href="/facts/Zirconium/y7gsoQFz">zirconium</a>, <a href="/facts/Niobium/3zNI8AKp">niobium</a>, <a href="/facts/Technetium/MGYWNI5d">technetium</a>, and <a href="/facts/Ruthenium/uzCm4ufn">ruthenium</a>.
</p><p>Molybdenum-100, with a <a href="/facts/Half-life/kGVH8BAB">half-life</a> of 7.07×1018 years, is the only naturally occurring radioisotope. It undergoes <a href="/facts/Double_beta_decay/ILmpbfqS">double beta decay</a> into <a href="/facts/Ruthenium/uzCm4ufn">ruthenium</a>-100. Molybdenum-98 is the most common isotope, comprising 24.14% of all molybdenum on Earth.
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Isotopes of molybdenum open-in-new

Isotopes of molybdenum