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