Unit 3 Vocabulary Review Activity

123456789101112131415161718
Across
  1. 3. a small number or symbol placed bleow and to the right of a chemical symbol.
  2. 5. is the study of the quantitative relationships between reactants and products in a chemical reaction.
  3. 6. Avogadrosnumber
  4. 8. a chemical reaction that occurs when a hydrocarbon fuel reacts with oxygen to produce carbon dioxide and water.
  5. 10. a numberical value placed in front of a chemical formula
  6. 11. an insoluble solid that emerges from a liquid solution.
  7. 13. a chemical reaction where one element replaces another from a compound.
  8. 14. the simplest whole number ratio of the atoms in a compound.
  9. 15. a chemical reaction where two ionic compounds exchange ions to form two new compounds.
  10. 16. the true or actual ratio of the atoms in a compound.
  11. 17. the type of chemical reaction to where chemical compounds are formed from simpler substances.
  12. 18. is a starting material in a chemical reactions that is consumbed to form products.
Down
  1. 1. a chemical reaction in which one reactant breaks down into two or more products.
  2. 2. the reactant that is present in a greater amount than necessary to completely react with the limiting reactant.
  3. 4. as the substance that is formed as a result of a chemical reaction.
  4. 7. a process that involves rearrangement of the molecular or ionic structure of a substance.
  5. 9. percentage by mass of each element in a compound.
  6. 12. is the substance that is completely consumed during a chemical reaction.