Chemistry Unit 5 Crossword

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Across
  1. 4. A chemical reaction that occurs when one compound replaces one element with another.
  2. 7. A subatomic particle found on the shell of an atom
  3. 10. A chemical reaction between 2 or more elements that combine to create one product
  4. 11. An atom that loses electrons and has a positive charge
  5. 12. A bound between a positive metal element and a negative non-metal
  6. 13. A chemical reaction when hydrocarbon reacts with oxygen in order to produce carbon dioxide and water
  7. 14. A chemical reaction that occurs when two compounds replace one element with another.
Down
  1. 1. A set of bonded elements that act as one element(typically an anion)
  2. 2. An element that cannot stand by itself
  3. 3. A chemical reaction that occurs when one reactant breaks down into 2 or more products
  4. 4. A number at the end of an element/compound that indicates how many copies it has
  5. 5. A number that stands in front of an element(s) and indicates the multiplicity
  6. 6. A bonds that involve the sharing of electrons
  7. 8. 2 or more chemically combined elements with no charge
  8. 9. An atom that gains electrons and has a negative charge