Conceptual Chemistry Semester 2 Ch.3 & 9

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Across
  1. 2. A scientific law stating that there is no detectable change in the amount of mass present before and after a chemical reaction.
  2. 5. The Law of Mass Conservation tells us that the total number of individual atoms must be __________ on each side of the arrow in a chemical equation.
  3. 6. In a chemical equation, elements/molecules in this state of matter are identified with a lower-case 'l'.
  4. 7. In a chemical equation, elements/molecules in this state of matter are identified with a lower-case 'g'.
  5. 8. A new material that is formed in a chemical reaction, appearing AFTER the arrow in a chemical equation.
  6. 9. In a chemical equation, elements/molecules in this state of matter are identified with a lower-case 's'.
  7. 10. A starting material in a chemical reaction, appearing BEFORE the arrow in a chemical equation.
Down
  1. 1. A scientific law stating that elements combine in definite mass ratios to form compounds.
  2. 3. The method which we applied during an activity this week to collect carbon dioxide gas.
  3. 4. A symbolic representation of a chemical reaction.