Ch8 Chemical Equations and Reactions

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Across
  1. 4. the whole number that appears in front of a formula in a chemical equation
  2. 5. an equation that is represented by using words in a chemical reaction
  3. 7. a solid that is formed from a chemical reaction in solution and that separates from the solution
  4. 8. a reaction which combines with oxygen, releasing lots of energy in the form of light and hear
  5. 10. both the products and reactants of a chemical reaction using formulas or symbols
  6. 12. two or more substances combine to make one new compound
  7. 13. a list of elements organized by how they undergo certain chemical reactions
Down
  1. 1. represents the identities and relative molecular amounts in a chemical reaction.
  2. 2. where only one element replaces another element in a compound
  3. 3. when a single compound reacts to form two or more simple substances
  4. 6. using electric current to decompose a substance
  5. 9. when two ions from different compounds exchange places in an aqueous solution which forms two new compounds
  6. 11. represented by two arrow pointing in opposite directions which show the products reforming the original reactants