science chemical crossword

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Across
  1. 2. element that doesn't conduct electricity,
  2. 3. cloudy mixtures in tiny pieces of one substance are held within another.
  3. 4. new substance produced in a chemical reaction between reactants.
  4. 7. positive charge in the nucleus of an atom.
  5. 10. neutral particle in the nucleus of an atom.
  6. 11. 2 non-metal combined.
  7. 16. pure substances that cant be broken down in smaller pieces.
  8. 19. gas to gas.
  9. 21. chemical combination of two or more elements.
  10. 22. liquid to solid.
  11. 23. cloudy mixture in tiny pieces.
  12. 24. subtance that reacts with other substances in a chemical reaction.
  13. 25. combination of pure substances.
Down
  1. 1. compound that whose molecules do not contain carbon.
  2. 5. solid to gas or gas to liquid
  3. 6. combination of symbol that represent a compound.
  4. 8. invisible negative charge particle in the nucleus in a atom.
  5. 9. only made of one kind of matter
  6. 11. shiny, malleable, ductile, element that conducts electricity.
  7. 12. non-reversible
  8. 13. Reversible
  9. 14. anything that has mass.
  10. 15. groups of 18 elements in the periodic table.
  11. 17. workplace hazardous materials information system.
  12. 18. solid to liquid.
  13. 20. liquid to gas.