Radon $^{222}_{86}\text{Rn}$ starts a decay chain that leads to bismuth $^{214}_{83}\text{Bi}$ by alpha emission and beta emission. When one nucleus of radon decays, how many $\alpha$-particles and $\beta$-particles are emitted?
- A$\alpha$-particles: 1, $\beta$-particles: 1
- B$\alpha$-particles: 2, $\beta$-particles: 1
- C$\alpha$-particles: 1, $\beta$-particles: 2
- D$\alpha$-particles: 2, $\beta$-particles: 2