Matter

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Across
  1. 3. atoms far apart
  2. 5. not a metal
  3. 6. kinetic energy of particles
  4. 8. outer shell electron
  5. 13. observed in chemical reaction
  6. 14. particle with no electric charge
  7. 16. related to metal
  8. 18. orbit around nucleus
  9. 19. conforms to container shape
  10. 21. small portion of matter
  11. 22. mass of an atom
  12. 24. observed characteristic of matter
  13. 25. continuos force on an object
Down
  1. 1. electromatic property
  2. 2. three states
  3. 4. explains gas particles
  4. 7. based on orbitals
  5. 9. force holding electons
  6. 10. particel with a negative charge
  7. 11. particle with a positive charge
  8. 12. basic unit of an element
  9. 15. central core of an atom
  10. 17. defined by nymber of protons
  11. 20. takes up space and has mass
  12. 23. atoms compacted together