Question

Which type of radioactive particle(s) has/have been emitted in the following equation?

Answer 1

Notice the subscript went from 83 to 84 and the 214 stayed the same that means it was beta decay.

Answer 2

Answer: option B, beta particle(-1e^0) only

Step-by-step explanation:

Since in t beta emission atomic number increases by one unit without changing the mass number.

Here atomic number increased from 83 to 84 without changing the mass number.