Uranium-238 decays by emission of an alpha particle. the product of this decay is Thorium-234.
The daughter nucleus, thorium 234, is created by the alpha emission of a uranium 238 nucleus. This thorium subsequently changes into protactinium 234 and experiences beta-negative decay to yield uranium 234 as a byproduct.
Thorium-234 is created when uranium-238 conducts alpha decay. The numbers that precede the chemical names indicate how many protons and neutrons are present. Thorium-234 is created when uranium-238 releases two protons as well as two neutrons in this process.
Therefore, Uranium-238 decays by emission of an alpha particle. the product of this decay is Thorium-234.
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