Structure of Matter Review

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Across
  1. 4. the number of protons in an atom
  2. 5. positively charged particles in the nucleus
  3. 6. anything that has mass and takes up space
  4. 10. the smallest part that makes up any matter
  5. 11. particle in the nucleus with no charge
  6. 12. the amount of space an object takes up
  7. 15. the number of protons and neutrons
Down
  1. 1. used to find the volume of an irregular solid
  2. 2. mass times gravity
  3. 3. a device used to measure the mass of a material
  4. 7. the amount of matter in an object
  5. 8. the center of an atom
  6. 9. the unit for mass
  7. 13. negatively charged particles outside of the nucleus
  8. 14. the unit for volume