Chemical reactions

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Across
  1. 3. A reaction where one substance breaks down into simpler substances.
  2. 5. EQUATION A way to show a reaction using symbols.
  3. 6. What you start with in a reaction.
  4. 8. REPLACEMENT A reaction where one element replaces another in a compound.
  5. 10. REACTION A reaction involving a metal and another substance, often forming a compound.
  6. 11. REPLACEMENT A reaction where two compounds exchange elements.
  7. 13. A reaction where two or more substances combine to form one product.
Down
  1. 1. What you end up with after a reaction.
  2. 2. A reaction where a substance gains oxygen or loses electrons.
  3. 4. A reaction where an acid and a base produce salt and water.
  4. 7. The tiny building block of matter.
  5. 9. A reaction where a substance burns in oxygen, producing heat and light.
  6. 12. REACTION A reaction involving a halogen element replacing another element in a compound.