Chemistry Rocks

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Across
  1. 2. Unchanging ratio
  2. 3. 6.023x10^23
  3. 5. Reactants that are not used up
  4. 8. Formula showing the simplest ratio of elements in a compound
  5. 9. product obtained from chemical reaction
  6. 10. Expresses mass ratio between different elements in a compound
  7. 12. Structure of an element
Down
  1. 1. Substance completely consumed after chemical reaction
  2. 4. Matter is neither created nor destroyed during chemical reaction
  3. 6. calculation of quantities of chemical elements or compounds in chemical reactions
  4. 7. Amount of product formed if reaction completed
  5. 11. Two or more atoms joined together chemically