Across
- 4. events that happen and are related to eachother
- 6. total number of neutrons and protons
- 9. atoms being split apart and releasing energy
- 10. the sun and stars
- 12. negatively charged particle
- 14. same number of protons but diffrent number of neutrons
Down
- 1. a form of electromagnetic radiation
- 2. of protons in the nucleus
- 3. the release of energy from the decay of the nuclei of certain kinds of atoms and isotopes.
- 5. neutrally charged atom
- 7. postively charged center core contains protons and neutrons
- 8. the time for half or something undergoing a process
- 11. a helium nucleus
- 13. with a positive charge