Vocab unit 2

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Across
  1. 2. Solution substance
  2. 5. Combustability Density
  3. 6. Atomic Atomic
  4. 7. Proton Pure
  5. 9. change Chemical
Down
  1. 1. Physical property
  2. 2. table Volume
  3. 3. mass Mass
  4. 4. Mixture number
  5. 8. Flammability Gas