In Ernest Rutherford's gold foil experiment, he directed a beam of alpha particles at a thin sheet of gold foil. Why didn't all of the alpha particles pass through the gold?
Select one:
Some of the alpha particles came into contact with the electrons.
Some of the alpha particles came into contact with the relatively massive nucleus.
Some of the alpha particles came into contact with the electron cloud.
Some of the alpha particles came into contact with other alpha particles.
