Vocab Crossword Puzzle

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Across
  1. 6. the sum of protons and neutrons in an atom
  2. 8. determined by the ratio of the number of neutrons to protons in the nucleus
  3. 12. a single packet of energy
  4. 13. without water
  5. 14. atomic mass in g/mol
  6. 16. penetrating electromagnetic radiation coming from the radioactive decay of atomic nuclei.
  7. 19. a subatomic particle with a neutral charge
  8. 26. energy required to separate an atomic nucleus completely into its protons and neutrons
  9. 27. amount of element in a compound
  10. 29. 1 MeV=1.6x10^-13 J
  11. 34. atoms with the same atomic number and position in the periodic table and different in nucleon numbers
  12. 37. a spectrum of different frequencies/energies
  13. 38. a spectrum containing many wavelenghs with no gaps
  14. 39. the number of times a point on a wave passes a fixed reference point in one second
  15. 41. the force that holds protons and neutrons together in the nucleus
Down
  1. 1. protons/neutrons
  2. 2. similar charges repel, different charges attract
  3. 3. a reaction where atomic nuclei combine to form different atomic nuclei and subatomic particles
  4. 4. a substance that contains water or its constituent elements
  5. 5. the process of a radioactive decaying until it becomes stable
  6. 7. a number written with all of it's zeros
  7. 9. radiation consisting of alpha particles
  8. 10. Δm=mass(calculated)-mass(actual)
  9. 11. wavelength x frequency = c
  10. 15. h=6.6x10^-34
  11. 17. mega electron volts
  12. 18. negatively charged ion
  13. 20. an equation representing reactants and products in radioactive decay
  14. 21. a unit used to express atomic weights
  15. 22. a number times a power of 10
  16. 23. electromagnetic radiation according to frequency or wavelength
  17. 24. mass of the element or solute divided by the mass of the compound or solute
  18. 25. particles consisting of two protons and two neutrons tightly bound together
  19. 28. a collection of protons
  20. 30. the difference between predicted and actual mass
  21. 31. positively charged ion
  22. 32. a tiny particle that comprises waves of electromagnetic radiation
  23. 33. radiation consisting of beta particles
  24. 34. an atom with a +/- charge
  25. 35. a reaction where the atom splits into two or more smaller nuclei
  26. 36. high energy, high-speed electrons
  27. 40. a subatomic particle with a positive charge