Chemistry

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Across
  1. 2. Simplest hydrocarbon.
  2. 4. The process by which acids and bases neutralize each other.
  3. 5. Absorbs heat from surroundings.
  4. 8. A substance that changes color in the presence of acids or bases.
  5. 10. Type of bonding in metals.
Down
  1. 1. Conducts electricity in solution.
  2. 3. The number written before a chemical formula in a balanced equation.
  3. 6. Contains only carbon and hydrogen.
  4. 7. Releases hydrogen ions.
  5. 9. Speeds up a chemical reaction.