Eight alpha decays and six beta decays are necessary before an atom of \( {}^{238}_{92}\mathrm{U} \) achieves stability. The final product in the chain has ...

Assessment: JAMB UTME - Physics - 1989 Subject: Physics

Question 1 Report

Eight alpha decays and six beta decays are necessary before an atom of \( {}^{238}_{92}\mathrm{U} \) achieves stability. The final product in the chain has an atomic number of

Answer Details
U  →  8( 2 4 H e ) + 6( − 1 0 e ) +  a b X

92 = (8 X 2) + (6 X -1) + a

a = 82

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