Chemistry

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Across
  1. 3. The mass of one mole of a substance
  2. 5. A charged particle resulting from the loss or gain of electrons
  3. 6. Unit of measure for the amount of substance
  4. 7. A molecule made up of two or more different elements
  5. 8. A unit of measure for the amount of substance
  6. 9. Atoms of the same element with different masses
Down
  1. 1. Mass per unit volume of a substance
  2. 2. The average mass of an element’s isotopes
  3. 3. The smallest unit of a chemical compound
  4. 4. Unit of measurement for atomic and molecular mass