Chemical Equations

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Across
  1. 1. Formula Symbols that show the elements in a compound and the ratio of atoms
  2. 5. Sign The product of a chemical reaction/the arrow in a chemical reaction.
  3. 6. a subsatance that causes or speeds up a chemical reaction
  4. 7. A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction.
  5. 8. a number written slightly below and to the right of a chemical symbol that shows how many atoms of an element are in a compound
  6. 9. Ending materials in a chemical reaction.
Down
  1. 2. System A system in which no matter is allowed to enter or leave
  2. 3. of Conservation of Matter Matter Cannot be Created or Destroyed . So, chemical reactions/equations must be balanced
  3. 4. elements or compounds that enter into a chemical reaction
  4. 6. Reaction process that changes one set of chemicals into another set of chemicals