Across
- 2. smallest part of a substances
- 4. amount of time it takes for Radioactivity of a specific isotope to fall half its original value
- 6. 2 or more forms of the same element that contains equal number of pros but different number of neutrons
- 7. emission of energy in the form of ionizing radiation
- 9. nucleus of an atom splits into 2 or more smaller nuclei
- 11. energy made from atoms splitting apart
- 12. a n unclear reaction with a nuclei that has a low atomic number fuse
Down
- 1. chemicals where the nucleus of the atom in unstable
- 3. reaction products promote or spread the reaction
- 5. center part of the atom containing the protons and neutrons
- 8. waste radioactive waste
- 10. electromagnetic waves moving subatomic particles
- 13. the center part of the atom containing protons and neutrons