Across
- 4. the amount of mass in a given volume of a substance
- 6. the numerical prefix of one
- 7. a material that cannot break down into any simpler substance
- 9. solid to liquid
- 11. can be in between metals and non-metals
- 14. materials. The
- 17. have lustre,conduct electricity and have ductility
- 19. An element is defined by the number of protons it has
- 20. ability of a substance to be dissolved in another
- 23. have a high melting point
- 24. an atom or a group of atoms
- 25. the numerical prefix of two
Down
- 1. Substance-Made of only one kind of matter
- 2. a combination of two or more pure substance
- 3. occurs when oxygen reacts with a substance to form a new substance and gives off energy
- 5. the average mass of an element
- 8. the ability of a substance to conduct electricity or heat
- 10. the numerical prefix of five
- 12. the numerical prefix of three
- 13. not shiny,dont conduct electricity and not ductile
- 15. workplace Hazardous Material information system
- 16. the numerical prefix of four
- 18. are pure substances formed as a result of the attraction between particles of opposite changes
- 21. liquid to solid
- 22. change-curs when two or more materials react and create