Match each word with its definition.
1. nucleus of a helium atom
proton
2. electron ejected by a nucleus
alpha particle
3. electromagnetic radiation from a nucleus
binding energy
4. all emissions from a nucleus
half-life
5. nuclear particle that has no charge
beta particle
6. nuclear particle that has a positive charge
gamma ray
7. one of several different nuclei of an element
neutron
8. equivalent to the mass discrepancy in a nucleus
isotope
9. measure of a radioactive material's lifetime
amu
10. unit of nuclear mass
radiation