Chemistry

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Across
  1. 2. A substance that accepts hydrogen ions in solution.
  2. 5. A group of atoms bonded together.
  3. 6. The smallest unit of an element.
  4. 9. A substance made from two or more elements chemically combined.
  5. 10. A table that organizes all known elements.
Down
  1. 1. A process in which substances are transformed into new substances.
  2. 3. A pure substance made of only one type of atom.
  3. 4. A homogeneous mixture of a solute dissolved in a solvent.
  4. 7. A substance that donates hydrogen ions in solution.
  5. 8. A connection between atoms in a molecule.