Chemical Reactions Vocabulary

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Across
  1. 3. Formula Shows the type and number of atoms in a particular molecules
  2. 5. The number that goes beside a molecule and can be added to a balance a chemical equation
  3. 7. The atoms that go into a chemical reaction
  4. 10. A change that alters only the physical properties of a substance
  5. 11. A type of reaction that involves two substances splitting
  6. 13. The new molecules that are formed after a chemical reaction
Down
  1. 1. A change that alters the chemical composition of a substance and involves the rearrangement of atoms
  2. 2. Used to show the number of atoms in a chemical formula
  3. 4. A reaction that releases heat
  4. 6. A type of reaction that involves two substances combining
  5. 8. A reaction that absorbs heat
  6. 9. A type of reaction that involves a fuel reacting with oxygen
  7. 12. The Law Of Conservation Of ____ states that matter cannot be created or destroyed, only rearranged