can someone please please help me
Which of these cannot be a product of a fission reaction?


a. Neutron
b. A new element
c. A less massive atom
d. A more massive atom



A radioactive isotope is a type of ________ that will change into another isotope.


a. Molecule
b. Neutron
c. Proton
d. Atom


Often in fission reactions, a single ________ can act like a billiard or pool ball by cracking apart atomic nuclei.

Select one:
a. Element
b. Neutron
c. Nucleus
d. Atom