Chemical and physical properties

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Across
  1. 3. A substance produced in a chemical reaction
  2. 4. A characteristic of a pure substance that can be observed without changing it into another substance
  3. 5. the force that holds two atoms together
  4. 6. A representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products
  5. 7. A change in matter that produces one or more new substances
  6. 10. A reaction that releases energy in the form of heat
  7. 12. A reaction in which energy is absorbed
  8. 14. Characteristic that cannot be observed without altering the substance
Down
  1. 1. Matter is not created nor destroyed in any chemical or physical change
  2. 2. the process by which one or more substances change to produce one or more different substances
  3. 3. A change in a substance that does not involve a change in the identity of the substance
  4. 8. A group of atoms bonded together
  5. 9. A chemical substance that is present at the start of a chemical reaction
  6. 11. A solid that forms from a solution during a chemical reaction.
  7. 13. number in front of a variable