atomic structure

12345678910111213141516171819
Across
  1. 3. Dalton came up with the atomic theory
  2. 5. rutherford worked on nucleus physics
  3. 6. no net electrical charge
  4. 10. proposed that everything is made up of small particle called atom
  5. 12. formation of chemical compounds from elements
  6. 14. william crookes constructed the televison
  7. 15. chadwick mesured the energy of the protons
  8. 16. has a negative charge
  9. 18. planck stated that energy is radiated in small
  10. 19. bhor understanding about atomic structures
Down
  1. 1. thompson was the first to discover electron
  2. 2. the ion with negative charge
  3. 4. positive charge
  4. 7. divided the matter into four
  5. 8. roentgen discovered x-ray
  6. 9. smallest particles
  7. 11. the ion with positive charge
  8. 13. proposed that all substances are composed of four elements
  9. 16. schrodinger explained the movement of the electron
  10. 17. number give the mass of the atom