A radon nucleus emits an alpha particle becomes a

PHYSICS · Single correct · A Level · Physics · Nuclear physics · Nuclear physics

Problem

2. A radon

{ }^{220} \mathrm{Rn}_{86}

nucleus emits an alpha particle becomes a (A)

{ }^{216} \mathrm{Po}_{84}

(B)

{ }^{220} \mathrm{At}_{85}

(C)

{ }^{220} \mathrm{Rn}_{86}

(D)

{ }^{220} \mathrm{Fr}_{87}