Conceptual Chemistry Semester 2 Ch.3 & 9

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