Atomic Theory

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Across
  1. 2. model what did niels bohr contribute to?
  2. 5. name- mass number how do you find the mass notation?
  3. 7. what do protons determine in an atom?
  4. 9. wavelength which wavelength is energy high?
  5. 10. number plus neutron how do you find mass number?
Down
  1. 1. relationship what is the relationship between wavelength and frequency?
  2. 3. which color has the lowest energy?
  3. 4. what do neutrons determine in an atom?
  4. 6. electrons in the periodic table, what is the significance of groups?
  5. 8. what are atoms of the same element with different mass?