Chemistry & Matter

12345678910
Across
  1. 3. model first proposed by j.j. thomson
  2. 5. anything that has mass and occupies space
  3. 6. discovery made by becquerel
  4. 7. a part of an atom with a negative electrical charge
  5. 9. the foundation of matter
  6. 10. a part of an atom with no electrical charge
Down
  1. 1. the study of the chemistry of processes in living organisms
  2. 2. tells you the number of protons and neutrons in the nucleus
  3. 4. two or more elements
  4. 8. the science that describes matter