Physics BellRinger 12/03/24 - Turn In When Done

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Across
  1. 4. _____ nuclide = nuclide present after radioactive decay
  2. 5. radiation = particles given _____ in radioactivity
  3. 7. meson = particle composed of a quark and an _____
  4. 9. mass number = number of protons plus _____
  5. 12. nucleon = building block of _____
  6. 13. isotope = atoms with same _____ number, different mass numbers
  7. 19. strong force = holds nucleus together, overcomes _____ electrostatic force
  8. 21. fusion =combining of _____ nuclei
  9. 22. photon = unit of _____ energy
  10. 23. quark = ______ that make up nucleons
  11. 24. lepton = fundamental particles like _____ & neutrinos
  12. 26. nucleus = tiny, dense, positive _____ of atom containing protons and neutrons
Down
  1. 1. gamma radiation = high energy _____ (γ)
  2. 2. atomic number = number of _____, identifies elements
  3. 3. mass defect = _____ in mass between the nucleus and its constituent particles
  4. 6. electron = negatively charged _____
  5. 8. positron = _____ counterpart of the electron
  6. 10. antimatter = same mass, _____ charge of counterpart
  7. 11. beta radiation = _____ or positron (e)
  8. 14. neutron = _____ nucleon
  9. 15. hadron = particle composed of _____
  10. 16. neutrinos = _____ neutral particles (leptons)
  11. 17. fission = _____ of heavy nuclei
  12. 18. proton = _____ nucleon
  13. 20. alpha radiation = _____ nucleus (He)
  14. 25. half-life = _____ needed for half of substance to decay