Chemistry Cross Puzzle

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Across
  1. 2. What particles did rutherford shoot at the thin piece of foil
  2. 4. Negatively charged Ion
  3. 5. What element has an atomic weight of 16
  4. 6. how many blocks are in the elements table
  5. 7. Element has less neutrons than protons
  6. 10. Subatomic particle with a negative charge
  7. 12. the measurement of time a waves passes per second
  8. 15. the distance between crests of a wave
  9. 17. Ne
  10. 19. photon determines the ___ of light observed in the flame
  11. 20. Sr
  12. 22. acronym for color spectrum
  13. 25. what color doesn't have a wavelength
  14. 26. How many neutrons should silicon ion have (when it’s not an isotope)
  15. 27. color with the longest wavelength
  16. 28. The minimum amount of energy that can be gained or loss by an atom.
  17. 29. A steamed/boiled pudding often served at holiday times
  18. 30. A shorter wavelength has a ____ frequency
  19. 32. Speed of life = wavelength x _____
  20. 33. An electron on the outer shell of an atom
  21. 34. What should we always wear during labs to protect our eyes
  22. 35. are microwave wavelengths dangerous to humans?
  23. 36. first element of the periodic table
  24. 37. What element has 3 protons
  25. 38. Everything is made up of it
  26. 41. The visible spectrum spans the wavelength region from about 400 to 700nm, true or false?
  27. 43. How many electrons does Oxygen Ion have if it has a charge of +1
Down
  1. 1. Subatomic particle with a positive charge
  2. 3. Grass is green because it ___ all other colors
  3. 8. What is a particle of light
  4. 9. What color has a wavelength of 400nm
  5. 11. Positively charged Ion
  6. 13. Subatomic particle with a neutral charge
  7. 14. What effect is the emission of electrons when electromagnetic radiation, such as light, hits a material
  8. 16. what state does an atom go to after it absorbs energy
  9. 18. Atoms are made up of mostly
  10. 21. How many protons does Neon have
  11. 23. What do remotes use to transmit to TVs
  12. 24. combined total of protons and neutrons
  13. 25. after an atom comes down from a higher to a lower state, it gives off a ____
  14. 31. What metal did rutherford use for his experiment?
  15. 33. color with the shortest wavelength
  16. 39. the amount of protons hydrogen has
  17. 40. How many electrons does Carbon have if it’s a neutral ion
  18. 42. Discovered the size of an atom