Chemistry Crossword

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Across
  1. 5. An atom that has lost or gained electrons and therefore has an electrical charge
  2. 6. A combination o two or more substances that are not chemically combined
  3. 7. A pure substance that forms when two or more elements are held together by a chemical bond; Every molecule of a compound is the same
  4. 8. In a solution, the substance that does the dissolving
  5. 9. A homogeneous mixture in which one substance completely dissolves in another substance
  6. 10. A mixture in which substances are distributed evenly (You cannot see the different parts)
Down
  1. 1. Total mass of Protons and Neutrons in an atom; measured in atomic mass units; the number of protons+ neutrons
  2. 2. A group of two or more atoms held together by chemical bonds
  3. 3. The elements or compounds produced by a chemical reaction
  4. 4. A pure substance that is made up of only one kind of atom
  5. 8. In a solution, the substance that dissolves