Chemistry Unit 1

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Across
  1. 4. Number of __ is the atomic number of an element
  2. 8. Made up of more than one type of atom
  3. 9. Columns in the periodic table are called __
  4. 12. __ of an atom = Protons - Electrons
  5. 15. Lower level to Higher level __ energy
  6. 16. Small jumps release __ light (color)
  7. 18. __ are versions of the same element but with different masses
  8. 19. Higher level to Lower level __ energy
  9. 21. __'s equation = 6.62 x 10^-34 J-s
  10. 22. Speed of __ = 3.0 x 10^8 m/s
Down
  1. 1. Atoms are made up of this, positive
  2. 2. Long wavelength = low frequency = __ energy
  3. 3. __ number = number of protons
  4. 5. A particle of light
  5. 6. Short wavelength = high frequency = __ energy
  6. 7. Atoms are made up of this, neutral
  7. 10. Rows in the periodic table are called __
  8. 11. Protons + Neutrons = __
  9. 13. Atoms are made up of this, negative
  10. 14. Big jumps release __ light (color)
  11. 17. There are __ energy levels
  12. 20. Made up of only one type of atom