CAPE Physics Unit 2 · 2019 · Paper 1 · Question Q40

Uranium-238, ^{238}_{92}\text{U}, decays by one alpha particle and one beta particle. What is the resulting nuclide?

1. (A)^{234}_{91}\text{Pa}
2. (B)^{238}_{91}\text{Pa}
3. (C)^{235}_{90}\text{Th}
4. (D)^{234}_{90}\text{Th}