Chemical Equations and Reactions

12345678910111213141516
Across
  1. 2. a small whole number that a appears in front of a formula in a chemical equation
  2. 7. represents the reactants ands products of a chemical reaction by their symbols
  3. 9. represented by a (g)
  4. 12. An equation in which the reactants and products in a chemical equation are represented by words
  5. 13. the decomposition of a substance by an electric current
  6. 14. a solid that produced as a result of a chemical reaction
  7. 15. a single compound undergoes a reaction that produces two or more simpler substances
  8. 16. two or more substances combine to form a new compound
Down
  1. 1. ions of two compounds exchange places in a aqueous solution to form two new compounds
  2. 3. a substance combines with oxygen, releasing a large amount of energy in the form of light and heat
  3. 4. represented by an arrow in a chemical reaction
  4. 5. represented by an (s)
  5. 6. dissolved in water symbol
  6. 8. what we start with in a chemical reaction
  7. 10. a representation of a chemical reaction that uses symbols to show the relationship between the reactants and products
  8. 11. one element replaces a similar element in a compound
  9. 14. what is formed in a chemical reaction