Types of Chemical reactions

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Across
  1. 2. term used to define a system that involves water
  2. 4. One element takes place with another element in the compound
  3. 7. Oxygen combines with a compound to form carbon dioxide and water. These reactions are exothermic, meaning they give off heat.
  4. 11. thing that is composed of two or more separate elements; a mixture.
  5. 12. oxidation-reduction reactions where reactants undergo changes in oxidation states
  6. 14. Chemical equations make use of symbols to represent factors such as the direction of the reaction and the physical states of the reacting entities.
Down
  1. 1. The opposite of a combination reaction – a complex molecule breaks down to make simpler ones.
  2. 3. Two solutions of soluble salts are mixed resulting in an insoluble solid
  3. 4. a type of reaction where part of of one reactant is replaced by part of another reactant
  4. 5. Two or more compounds combine to form one compound
  5. 6. typically followed by physical signs that are readily detected
  6. 8. substance that can be dissolved in water
  7. 9. an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge are the same for both the reactants and the products
  8. 10. refers to a simple substance that cannot be broken down into smaller parts or changed into another substance
  9. 13. An acid and a base react with each other