Chemical Reactions

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Across
  1. 4. The name for the outer shell of an atom
  2. 5. The chemical symbol for this element is K
  3. 6. A type of reaction that occurs when a compound is separated into smaller chemical species
  4. 9. Ions that do not change during a reaction
  5. 10. All of these types of compounds are soluble
Down
  1. 1. Speeds up the rate of a reaction but isn't used up in the reaction
  2. 2. A type of reaction that occurs when two or more substances combine to form a single product
  3. 3. A type of reaction that occurs when metal ion is replaced by another type of metal
  4. 5. A type of reaction that occurs when two ionic solutions are mixed and an insoluble ionic solid is formed.
  5. 7. Bond that results when one or more pairs of electrons are shared between two atoms usually non-metals
  6. 8. The fifth element in the periodic table
  7. 9. The most reactive metal in the activity series