Reactivity Key Words

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Across
  1. 2. Chemicals present at the end of a reaction
  2. 4. A physical change is ________
  3. 8. Chemicals present at the start of a reaction
  4. 9. Formation of a solid when two liquids chemically join
  5. 11. Made up of only one type of atom
Down
  1. 1. Gas produced during a chemical reaction
  2. 3. A chemical reaction is ________
  3. 5. Broken during a chemical reaction
  4. 6. A ______ change is one in which no new substances are made
  5. 7. Substances which are formed by two or more different types of elements
  6. 10. In a _______ reaction a new substance is always produced