Matter

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Across
  1. 1. matter that exists at high temperatures and consists of electrically charged particles
  2. 5. state going from solid to liquid
  3. 8. tells how many protons the atoms of that element contain
  4. 9. Has definite shape and define volume
  5. 11. positively charged particles in the nucleus
  6. 12. the smallest part an element that can exist
  7. 14. anything that has mass and take up space
  8. 15. state going from gas to liquid
  9. 16. Horizontal row on a periodic table
  10. 17. no definite shape or volume
  11. 18. what circle around the nucleus?
  12. 19. matter that cannot be broken down into simpler substances
  13. 20. negatively charged particles in the nucleus
Down
  1. 2. no definite shape but definite volume
  2. 3. chart of all elements
  3. 4. state going from liquid to gas
  4. 6. vertical column on the periodic table
  5. 7. state going from liquid to solid
  6. 10. weighted mass of all isotopes of the element
  7. 13. electron on the outer shell