Nuclear Chemistry

3. A/an _____ particle is a high speed electron or positron emitted in the decay of a radioactive isotope.
5. When two molecules come together to form one molecule.
7. _____ is very often used in a nuclear reactor.
8. A/an _____ reaction is a series of chemical reactions in which the product of one is the reactant in the next.
11. A/an _____ particle is a positively charged particle that is the nucleus of the helium atom.
12. A _____ capture happens when an orbital electron is captured by its own nucleus.
15. A phenomenon that makes the molecules in a substance decay.

1. A process that happens when a molecule gets split up by a high speed neutron.
2. A _____ series is a series in which a radioactive nucleus decay into a non radioactive nucleus.
4. A _____ ray is the ray that is emitted during radioactive decay.
6. A _____ reactor is used to control nuclear decay and turn it into energy.
9. The amount of time it takes for a radioactive substance to decay to half of how much there was before.
10. A _____ causes fission when it hits another molecule at high speeds.
13. Nuclear _____ is the process in which a radioactive molecule shrinks.
14. _____ mass is the minimum mass that can start a chain reaction.