Vocabulary Chapter 7-Chemical Reactions (for any words that have two words, there is a dash in between)

12345678910111213
Across
  1. 3. an amount of a substance that contains approximately 6.02 x 10 to the 23 particles of that substance.
  2. 6. the energy stored in the chemical bonds of a substance
  3. 10. In a chemical reaction, the substances that undergo change
  4. 11. a representation of a chemical reaction in which the reactants and products are expressed as formulas
  5. 12. a chemical reaction that releases energy to its surroundings
  6. 13. a reaction in which one element takes the place of another element in a compound
Down
  1. 1. The new substances formed as a result of that change
  2. 2. one in which two different compounds exchange positive ions and form two new compounds
  3. 4. a reaction in which a compound breaks down into two or more simpler substances
  4. 5. the numbers that appear before the formulas
  5. 7. the mass of one mole of a substance
  6. 8. a chemical reaction that absorbs energy from its surroundings
  7. 9. a reaction in which two or more substances react to form a single substance