Crossword Puzzle Review for Atomic Structure

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Across
  1. 3. highest surface part of a wave (Electrons in Atoms Lecture Notes)
  2. 4. 3.00x10^8m/s (Electrons in Atoms Lecture Notes)
  3. 7. squares in a periodic table
  4. 8. _______ 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)
  5. 10. the lowest part of a wave (Electrons in Atoms Lecture Notes)
  6. 11. any substance that has mass and occupies space
  7. 12. Absorbed energy allows the electrons to be promoted to ________ energy levels. (pg. 11)
  8. 13. From these excited energy levels, there is a natural tendency for the electrons to drop back down to the ________ state. (pg. 11)
  9. 15. based on quality (Flame Test)
  10. 18. what is the element with the atomic number 56?
  11. 19. range of frequencies of electromagnetic radiation (electrons in atoms lecture notes)
  12. 24. The _________ of an element are atoms with the same number of protons but different numbers of neutrons. (pg. 4)
  13. 27. ________ are subatomic particles with a zero charge and also have a mass of about 1 mass unit. (pg. 4)
  14. 30. What does ‘h’ stand for in E = hv? (Electrons in Atoms Lecture Notes)
  15. 31. used to heat up your food in the kitchen
  16. 33. minimum amount of energy that can be gained or lost by an atom. (Electrons in Atoms Lecture Notes)
  17. 36. what is the element with the atomic number 38?
  18. 37. a small portion of matter (begins with p) (Phet: Rutherford Scattering)
  19. 42. = speed/wavelength (Electrons in Atoms Lecture Notes)
  20. 43. When a substance is heated in flame, the atoms absorb ________ from the flame. (pg. 11)
  21. 45. measurement (Electrons in Atoms Lecture Notes)for energy
Down
  1. 1. The atomic ______ of an element is calculated by the number of protons plus the number of neutrons. (pg. 5)
  2. 2. what is the element with the atomic number 29?
  3. 5. All ____________ waves, including visible light, travel at the speed of 3.00x10^8 m/s in a vacuum. (pg. 8)
  4. 6. What does Hz or 1/s or s^-1 stand for? (Electrons in Atoms Lecture Notes)
  5. 9. what is the element with the atomic number 27?
  6. 14. what is the element with the atomic number 3?
  7. 16. ________ are sub-atomic particles with a +1 charge and a mass of about 1 atomic mass unit. (pg. 4)
  8. 17. = speed/frequency (Electrons in Atoms Lecture Notes)
  9. 20. what is the element with the atomic number 19?
  10. 21. device used to measure the marbles diameter (gold foil experiment)
  11. 22. Number of neutrons = ______ number minus number of protons. (pg. 4)
  12. 23. “father of nuclear physics” who discovered alpha and beta rays (pg. 7)
  13. 25. a tiny particle of light or electromagnetic radiation (Flame Test)
  14. 26. you wear them over your eyes during labs (Flame Test)
  15. 28. What is the wavelength of electromagnetic radiation having a frequency of 5.00x10^12 Hz? (Fill in the missing digit) _.00x10^-5m
  16. 29. The ‘v’ in E = hv stands for the frequency of ________, sometimes written as f giving the expression E = hf. (Electrons in Atoms Lecture Notes)
  17. 32. based on quantity (Flame Test)
  18. 34. = 1x10^-9m (Electrons in Atoms Lecture Notes)
  19. 35. What type of electromagnetic radiation is this if the frequency is 3.33x10^13 Hz? (Electrons in Atoms Lecture Notes)
  20. 38. The color of ____ observed when a substance is heated in a flame varies from one substance to another. (pg. 11)
  21. 39. what is the element with the atomic number 11?
  22. 40. What type of electromagnetic radiation is this if the frequency is 9.01x10^15 Hz? (Electrons in Atoms Lecture Notes)
  23. 41. In a full atomic symbol, what does the number written in the top right mean? (pg. 4)
  24. 44. An _____ is an atom that has gained or lost one or more electrons. (pg. 4)