Module 3 Chemistry Vocab

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Across
  1. 3. electron beam
  2. 6. particle with no electric charge
  3. 7. emission of ionizing radiation
  4. 10. helium nucleus
  5. 11. particle with negative charge
  6. 12. penetrating electromagnetic radiation
  7. 13. number of protons in the nucleus of the atom
  8. 14. represents the reactants and products
  9. 15. atomic nucleus loses energy by radiation
  10. 18. alpha particles are emitted to restore balance
  11. 19. particle with negative charge
Down
  1. 1. emission of energy in the form of waves
  2. 2. high energy electrons carrying a negative charge
  3. 4. identity change of an atomic nucleus
  4. 5. high energy, high speed electron or positron
  5. 8. different numbers of neutrons in the nuclei
  6. 9. number of protons and nuetrons in a nucleus
  7. 13. atom mass number
  8. 16. a unit of mass for atomic and molecular weights
  9. 17. smallest unit of matter