Quantum mechanics

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Across
  1. 5. in atom which particle help to protect from the bombardeing
  2. 8. the quantum mechanical model of the atom was proposed by
  3. 10. which theory proposed graviton
Down
  1. 1. which experiment demonstrates the wave nature of the electron
  2. 2. the smallest possible size for anything in the universe
  3. 3. which effect describe the thermionic emission
  4. 4. the wavelength of the matter waves is independent of
  5. 6. the most abundant particle that have mass in the universe
  6. 7. an electron with positive charge is known as
  7. 9. particle that carry energy and force throughout the universe