Across
- 2. nuclear force the force that holds particles together
- 4. energy energy the holds nucleus together
- 6. mass unit to express atomic weights
- 7. a subatomic particle
- 8. nuclear force responsible for beta and decay of hadrons
- 9. reaction change the identity of the atomic nucleus
- 10. when things are being done
- 14. emission of ionizing radiation
- 16. splitting
- 17. production changing of radiation quantum to electron and positron
- 18. decay atomic nucleus loses energy
- 20. reaction a chemical reaction of products
- 21. number total # of protons and neutrons
Down
- 1. joining two or more things together
- 3. elementary particle of matter
- 5. specific # of protons and neutrons
- 9. a proton or neutron
- 11. half of the radioactive value
- 12. model math model of elementary particles of matter
- 13. decay when an electron is emitted
- 15. carriers give rise to forces between other particles
- 19. decay # of reduced by 4 an atomic number by 2