Nuclear Chemistry Vocab
Across
- 3. a subatomic particle theorized to be among the basic units of matter
- 5. a nuclear reaction in which the nuclei of 2 atoms combine to form a larger nucleus
- 6. elements with an atomic number greater than 92
- 7. a state of matter in which atoms have been stripped of their electrons
- 8. the smallest possible mass of a fissionable material that can sustain a chemical reaction
- 11. a penetrating form of radiation emitted by an unstable nucleus
- 12. a series of fission reactions triggered by neutrons released during the fission of a nucleus
- 13. a nuclear reaction in which an atomic nucleus is split into 2 smaller particles
- 15. nuclear radiation that occurs naturally in the environment
- 16. the time required for one half of a sample of a radioactive isotope to decay
- 17. an electron emitted by an unstable nucleus
Down
- 1. a positively charged particle, emitted by certain radioactive nuclei, made up of 2 protons & 2 neutrons; a helium nucleus
- 2. conversion of a one element to another element through a nuclear reaction
- 4. charged particles & electromagnetic waves that are emitted from the nuclei of radioisotopes
- 9. an isotope with an unstable nucleus
- 10. powerful attractive force that binds protons & neutrons together in the nucleus
- 14. the process in which an unstable atomic nucleus emits charged particles & energy