Kaylynn's Crossword

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Across
  1. 5. a chemical compound of 2 or more elements
  2. 7. a chemical reaction theater absorbs heat energy
  3. 10. the smallest unit of an element that has property's of an element
  4. 11. the substance that is formed during a chemical reaction
  5. 13. a characteristic of a substance that is measurable or observable during a chemical reaction
  6. 14. a pure substance that cannot be broken down into simpler substances by chemical reactions
  7. 15. a chemical reaction that gives off heat energy
  8. 17. the ability of molecules of the same substance to stick together
  9. 18. a combination of substances that can be physically separated from one another
Down
  1. 1. a measure of the average kinetic energy of atoms in a system
  2. 2. the forces that hold atoms together, these may be ionic, covalent or metallic
  3. 3. a chemical reaction
  4. 4. the ability to work
  5. 6. 2 or more atoms joined together
  6. 8. a change in matter that does not affect its chemical composition
  7. 9. Amount of matter in an object
  8. 12. the transfer of thermal energy
  9. 16. the study of the changes in matter