chemistry final

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Across
  1. 1. beta particle
  2. 3. gamma ray
  3. 6. mass number
  4. 8. ion
  5. 12. alpha particle
  6. 13. cation
  7. 16. beta radiation
  8. 18. anion
  9. 19. isotope
  10. 20. hydrate
Down
  1. 2. percent by mass
  2. 4. anhydrate
  3. 5. atomic mass unit
  4. 7. nuclear equation
  5. 9. neutron
  6. 10. percent compisition
  7. 11. alpha radiation
  8. 14. nucleus
  9. 15. proton
  10. 17. molar mass