Chemistry

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Across
  1. 4. group 2 in the periodic table
  2. 6. the mass of a single atom
  3. 7. found the model of the atom that we use today
  4. 8. a neutral meaning it has no charge
  5. 10. particles that are smaller than an atom
  6. 11. two or more elements combined in a specific way
  7. 13. electrons travel around it
  8. 14. the acceptance of the idea of an atom
Down
  1. 1. found out that there are positive charges in atoms
  2. 2. group 1 of the periodic table
  3. 3. atomic number rounded to the nearest whole number
  4. 4. matter made of tiny particles that can not be broken down any further
  5. 5. negatively charged particle
  6. 9. discovered "subatomic" particles
  7. 12. have both metals and nonmetals