Unit 6 & 7 Crossword Puzzle

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Across
  1. 8. A formula that shows the ratio of elements present in the compound.
  2. 9. A reaction where two or more chemical species combine to form a more complex product.
  3. 10. The name given to the solid that is formed as a result of a precipitation reaction.
  4. 13. A chemical reaction where one reactant is exchanged for one ion of a second reactant.
  5. 16. The tendency of a substance to undergo chemical reaction, either by itself or with other materials, and to release energy.
  6. 17. 6.022 x 1023
  7. 19. The symbolic representation of a chemical reaction wherein the reactant entities are given on the left-hand side and the product entities on the right-hand side.
  8. 20. A list of metals ranked in order of decreasing reactivity to displace hydrogen gas from water and acid solutions.
Down
  1. 1. A reactant in a chemical reaction that determines the amount of product produced.
  2. 2. The study of the relationships or ratios between two or more substances undergoing a physical or chemical change.
  3. 3. A solid compound that contains a definite percentage of bound water.
  4. 4. A number equal to the sum of the atomic masses of the atoms in a molecule.
  5. 5. A type of chemical reaction where a compound and an oxidant is reacted to produce heat and a new product.
  6. 6. The law stating that in a chemical reaction, matter is neither gained nor lost.
  7. 7. A chemical reaction where two reactant ionic compounds exchange ions to form two new product compounds with the same ions.
  8. 11. An expression which states the number and type of atoms present in a molecule of a substance.
  9. 12. A type of chemical reaction where one reactant yields two or more products.
  10. 14. The concentration of an element in a compound or a component in a mixture.
  11. 15. The ratio between the amounts in moles of any two compounds involved in a chemical reaction.
  12. 18. A chemical mass unit of a substance.