Matter

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Across
  1. 3. temperature related
  2. 4. scales with amount
  3. 6. identity and ratio of the things of which a thing is made
  4. 7. material in which electrons are shared between many atoms
  5. 9. molecule with >1 type of atom
  6. 10. state in which atoms are free to roam in three dimensions
  7. 12. matter with uniform properties
  8. 14. Type of bond in which electrons are not mobile.
  9. 16. process that converts thermal energy into potential energy
  10. 19. deliberately created by humans
  11. 21. something partially or totally consumed in a reaction
  12. 22. 6.022E23
Down
  1. 1. measured with a balance
  2. 2. non-uniform
  3. 5. smallest part of an element that retains all its properties
  4. 8. You need to see, but rarely see.
  5. 11. energy, energy needed for a chemical reaction to proceed
  6. 13. >1 unbonded touching substances
  7. 15. self-sustaining exothermic reaction with oxygen gas.
  8. 16. made from only one atom
  9. 17. mass/volume
  10. 18. has mass and takes up volume
  11. 20. element 6