Question

How many alpha and beta particles are emitted when Uranium ${}_{92}{U}^{238}$ decays to lead ${}_{82}P{b}^{206}$ ?

• A. 3 alpha particles and 5 beta particles
• B. 6 alpha particles and 4 beta particles
• C. 4 alpha particles and 5 beta particles
• D. 8 alpha particles and 6 beta particles

Answer 1

Answer: (D)

$8\alpha$ particles and $6\beta$ particles are emitted.