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← ScienceWhich consequence results when protactinium-231 undergoes alpha decay?
A)Thorium-227 daughter nuclide is formed✓
B)Total nucleon number of product increases
C)Increased beta decay energy emitted
D)Neutrino emission rate significantly increases
💡 Explanation
Alpha decay causes a loss of 4 nucleons and 2 protons; nuclear transmutation occurs because decreased atomic numbers produce different elements, therefore a thorium-227 product is made, rather than the other options of nucleon gain or neutrino increase.
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