Chemistry

12345678910111213141516
Across
  1. 1. Has mass and takes up space
  2. 3. decay emits an electron
  3. 9. neutral subatomic particle
  4. 10. Scientist who discovered the proton and electron
  5. 12. Scientist who came up with first orbital model of atom
  6. 13. negative subatomic particle
  7. 16. positive subatomic particle
Down
  1. 2. Decay emits a helium atom
  2. 4. capture captures an electron
  3. 5. radiation emits STRONG energy only
  4. 6. Scientist who discovered the nucleus
  5. 7. Came up with the idea of the atom
  6. 8. Makes up all things
  7. 11. Came up with first atomic theory
  8. 14. Scientist who discovered the neutron
  9. 15. plus decay emits a positron