Ch. 8 Vocabulary

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Across
  1. 3. Reaction in which two or more substance combine to form a compound (usually 2 elements forming a compound)
  2. 5. Reaction in which an element will swap places with an atom in a compound (an element breaks up a compound)
  3. 7. Saved or kept the same
  4. 8. A substance produced in a chemical reaction, shown to the right of the arrow.
  5. 10. Chemical reaction where ions swap partners
  6. 11. Small number on the bottom that represents the number of atoms.
  7. 12. The substance that goes into a chemical reaction, found on the left side of the arrow.
Down
  1. 1. Matter cannot be created or destroyed in a chemical reaction.
  2. 2. Large number in front that represents the number of molecules or moles.
  3. 4. Reaction in which a compound is broken down into simpler substances (usually compound to elements)
  4. 6. “Equals” represented by an arrow →
  5. 9. Reaction in which a fuel burns in the presence of oxygen forming water & carbon dioxide