Chemistry

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Across
  1. 3. Neutral charge
  2. 5. Two or more elements that are chemically bonded
  3. 6. Made up of protons and neutrons
  4. 10. Two or more atoms that are chemically bonded
  5. 11. Observed without changing the substance
  6. 12. The components are evenly mixed
  7. 13. Anything that has mass and takes up space
Down
  1. 1. Two or more substances that are combined
  2. 2. Positive charge
  3. 4. In its simplest form and cannot be broken down
  4. 5. Observed when a substance is changed
  5. 7. The smallest unit of matter
  6. 8. Negative charge
  7. 9. The components can be visibly distinguished