Ch8 Chemical Equations and Reactions

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