Atomic Theory

123456789
Across
  1. 2. discovered electron.
  2. 5. Austrian physicist who founded the study of wave mechanics when he developed a mathematical equation that describes the wavelike behavior of subatomic particles.
  3. 9. English chemist and physicist, who formulated the modern form of the atomic theory.
Down
  1. 1. neutral charged particle
  2. 2. British physicist who in 1932 discovered the neutron.
  3. 3. famous for discoveryof charge of electron.
  4. 4. First man to contribute to atomic theory.
  5. 6. He showed that the wavelengths of X-rays emitted from the elements are related to their atomic numbers.
  6. 7. positively charged particle
  7. 8. negatively charged particle