week 3 vivian doan

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Across
  1. 2. What type of reaction is this A+B->AB
  2. 3. What type of reaction is this HCL+NaOH->H2O+NaCl
  3. 6. The amount of each reactant and product is represented with?
  4. 7. This reaction happens when one element in a pair is replaced by another
  5. 10. What are the 7 elements that are always found in pairs
  6. 11. 6.022 x 10^23 is a
  7. 12. What do you balance last when balancing chemical equations
  8. 13. A reaction speeds up if this is present
Down
  1. 1. What reaction will always have O2 as a reactant and CO2 and H2O as products
  2. 2. AB->A+B is what type of reaction?
  3. 4. What type of reaction occurs when two element pairs switch partners
  4. 5. This symbol means "dissolved in water"
  5. 8. When a reaction GAINS energy, it's what type of reaction
  6. 9. When a reaction LOSES energy, it's what type of reaction
  7. 14. The arrow in a chemical equations means to?