Across
- 2. the emission of radiation
- 3. the weight of the element
- 4. the change of a proton to an electron
- 7. streams of electrons
- 9. types of atoms with the same number
- 11. the amount of protons and electrons
- 16. the mass to see different weights
- 18. when the nucleus becomes unstable
- 19. an equation put in general form
Down
- 1. a penatrating form of radiation
- 5. the emissions while disintingration
- 6. a positively charged particle
- 8. 2 protons and neutrons put together
- 10. a nucleus and a particle collide
- 12. a particle found in the nucleus
- 13. high energy electron changed by decay
- 14. the emission of energy
- 15. a negatively charged particle
- 17. the smallest a particle can become
