Crossword Puzzle Review for Atomic Structure

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Across
  1. 5. What type of electromagnetic radiation is this if the frequency is 9.01x10^15 Hz? (Electrons in Atoms Lecture Notes)
  2. 6. ________ are subatomic particles with a zero charge and also have a mass of about 1 mass unit. (pg. 4)
  3. 7. “father of nuclear physics” who discovered alpha and beta rays (pg. 7)
  4. 10. squares in a periodic table
  5. 14. What does Hz or 1/s or s^-1 stand for? (Electrons in Atoms Lecture Notes)
  6. 18. minimum amount of energy that can be gained or lost by an atom. (Electrons in Atoms Lecture Notes)
  7. 19. 3.00x10^8m/s (Electrons in Atoms Lecture Notes)
  8. 23. When a substance is heated in flame, the atoms absorb ________ from the flame. (pg. 11)
  9. 25. What does ‘h’ stand for in E = hv? (Electrons in Atoms Lecture Notes)
  10. 27. a small portion of matter (begins with p) (Phet: Rutherford Scattering)
  11. 29. An _____ is an atom that has gained or lost one or more electrons. (pg. 4)
  12. 31. = speed/frequency (Electrons in Atoms Lecture Notes)
  13. 32. = speed/wavelength (Electrons in Atoms Lecture Notes)
  14. 34. you wear them over your eyes during labs (Flame Test)
  15. 37. The _________ of an element are atoms with the same number of protons but different numbers of neutrons. (pg. 4)
  16. 38. What type of electromagnetic radiation is this if the frequency is 3.33x10^13 Hz? (Electrons in Atoms Lecture Notes)
  17. 39. 11?
  18. 40. The color of ____ observed when a substance is heated in a flame varies from one substance to another. (pg. 11)
  19. 42. Absorbed energy allows the electrons to be promoted to ________ energy levels. (pg. 11)
  20. 43. All ____________ waves, including visible light, travel at the speed of 3.00x10^8 m/s in a vacuum. (pg. 8)
Down
  1. 1. ________ are sub-atomic particles with a +1 charge and a mass of about 1 atomic mass unit. (pg. 4)
  2. 2. measurement for energy
  3. 3. highest surface part of a wave (Electrons in Atoms Lecture Notes)
  4. 4. device used to measure the marbles diameter (gold foil experiment)
  5. 6. = 1x10^-9m (conversion)
  6. 8. range of frequencies of electromagnetic radiation (electrons in atoms lecture notes)
  7. 9. any substance that has mass and occupies space
  8. 11. Which element has the atomic number 3
  9. 12. used to heat up your food in the kitchen
  10. 13. 27
  11. 15. Number of neutrons = ______ number minus number of protons. (pg. 4)
  12. 16. based on quantity (Flame Test)
  13. 17. From these excited energy levels, there is a natural tendency for the electrons to drop back down to the ________ state. (pg. 11)
  14. 19. What is the wavelength of electromagnetic radiation having a frequency of 5.00x10^12 Hz? (Fill in the missing digit) _.00x10^-5m
  15. 20. In a full atomic symbol, what does the number written in the top right mean? (pg. 4)
  16. 21. 29
  17. 22. 56
  18. 24. _______ are even smaller subatomic particles than protons and neutrons with a -1 charge and a tiny mass (does not add anything to the mass number). (pg. 4)
  19. 26. the lowest part of a wave (Electrons in Atoms Lecture Notes)
  20. 28. The ‘v’ in E = hv stands for the frequency of ________, sometimes written as f giving the expression E = hf. (Electrons in Atoms Lecture Notes)
  21. 30. a tiny particle of light or electromagnetic radiation
  22. 33. based on quality (Flame Test)
  23. 35. 38
  24. 36. 19
  25. 41. The atomic ______ of an element is calculated by the number of protons plus the number of neutrons. (pg. 5)