Plutonium-239
= Plutonium-239
{title2=$^{239}_{94}\mathrm{Pu}$}
A <fissile material> produced from <uranium-238> by neutron capture followed by two <beta-minus decays>.
= Plutonium-239
{title2=$^{239}_{94}\mathrm{Pu}$}
A <fissile material> produced from <uranium-238> by neutron capture followed by two <beta-minus decays>.