1. Which type of radiation—alpha, beta, or gamma— results in the greatest change in mass number? The greatest change in atomic number? 2. Which of the three rays—alpha, beta, or gamma—has the greatest...

1. Which type of radiation—alpha, beta, or gamma— results in the greatest change in mass number? The greatest change in atomic number?

2. Which of the three rays—alpha, beta, or gamma—has the greatest penetrating power?

3. Why doesn’t the repulsive electric force of protons in the atomic nucleus cause the protons to fly apart?