The Atom and Quantum

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Across
  1. 3. the unit of measurement for frequency
  2. 5. negatively charged terminal
  3. 9. the constant used to calculate the energy of a known frequency of light
  4. 10. positively charged terminal
  5. 13. scientist responsible for the gold foil experiment and discovery of the nucleus of atoms
  6. 14. a discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents
  7. 15. the central part of an atom
  8. 16. combination principle involving sum and difference of frequencies for spectral lines
  9. 17. the energy levels in model of the atom developed by Bohr
Down
  1. 1. negatively charged particle
  2. 2. distance between corresponding points of two consecutive waves.
  3. 4. scientist responsible for the discovery of the electron using CRT experimentation
  4. 6. a representation of lines that show the frequencies of light emitted by a substance
  5. 7. scientist responsible for the cloud model of the atom and the wave function of matter
  6. 8. the number of waves that pass a fixed point in unit time
  7. 10. basic unit of a chemical element
  8. 11. Scientist that discovered the planetary model of the atom
  9. 12. metals that absorb the energy of particles of light are called this