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Question 35

Physics HL Paper 1A (May 2025, TZ3)

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  1. Thorium-232 ((^{232}_{90}\text{Th})) is an unstable nuclide. It decays by emitting an alpha particle followed by a beta minus ((\beta^-)) particle.
    What is the number of protons and neutrons in the final nuclide?
Table showing number of protons and neutrons for different options.
Table showing number of protons and neutrons for different options.