THORIUM-228
'Thorium-228' is an isotope of thorium which has 90 electrons and protons and 138 neutrons.
It has a half life of 1.9116 years. It is highly unstable and is not found in nature. When it decays, it emits an alpha particle and turns into Radium-224. It has a weight of 228.0287411 Grams/mole. Uranium-232 decays to this nuclide by alpha emission.
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