Chemistry Crossword Puzzle

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Across
  1. 6. Non-metallic elements that are highly reactive.
  2. 8. bonds A chemical bond that shares electrons between atoms.
  3. 9. The ability for a solid to be ignited into ash.
  4. 10. The ability of a substance to burn in air.
  5. 15. the ability for a solid to erupt into individual pieces.
  6. 17. The mass of an atom
  7. 19. Has a Neutral charge
  8. 21. The ability for a solid to dissolve into a liquid.
  9. 22. The number of protons found inside the nucleus
  10. 23. Less reactive metals and more dense.
  11. 24. The ability for a liquid to chill into a solid state.
Down
  1. 1. The ability of a substance to cause harmful effects to living organisms.
  2. 2. A charged atom.
  3. 3. Metals that are extremely reactive and less dense.
  4. 4. A substance's ability to let light pass through it.
  5. 5. ions Nonmetals form these.
  6. 7. The ability of a substance to react with other specific substances.
  7. 11. Atoms form these to be stable.
  8. 12. The feeling of a substance on your fingers.
  9. 13. The ability of a substance to light on fire.
  10. 14. The ability of a substance to reflect light.
  11. 16. The ability for a liquid to dissolve into a gaseous state.
  12. 18. Describes the smell of a substance.
  13. 20. Describes the shape of a substance.