Chemistry Crossword

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Across
  1. 3. Change where a new substance is formed (8,6)
  2. 6. A pure substance made of only one type of atom (7)
  3. 7. Smallest unit of matter (4)
  4. 8. The chemical equation for water (3)
  5. 9. The central part of an atom (7)
  6. 11. A change that does not form a new substance (8,6)
  7. 13. Law that states "mass is not gained or lost in a reaction" (12,2,3)
Down
  1. 1. Table of all known elements (8,5)
  2. 2. A change in state from solid to liquid (7)
  3. 3. The chemical equation for carbon dioxide (3)
  4. 4. When two or more different types of elements are chemically bonded(8)
  5. 5. A substance made of two or more elements chemically bonded (8)
  6. 10. A liquid that dissolves substances (7)
  7. 12. A mixture where one substance is dissolved in another (8)