Across
- 3. a solid also can change directly into a gas and vise versa
- 4. The smallest part of an element
- 5. change from solid to liquid
- 10. Place on periodic table showing vertically
- 13. combinations of pure substances the components of a mixture do not combine
- 14. is anything that has mass and occupies space
- 15. how a substance interacts with other substances (acid)
- 18. can't reverse (burning wood) when two or more materials react and create new materials.
- 19. a change from gas to liquid
- 20. pure substance that cannot be broken down into other substances (made up of only one type of atom)
- 21. liquid to a solid
- 22. chemical combination of two or more elements in a specific ratio
- 24. solids, liquid or gas depends on temperature
Down
- 1. appearance from the outside e.g lustre
- 2. Negatively charged particles
- 6. a table in which the elements are organized, by their physical and chemical properties
- 7. workplace hazardous materials information system
- 8. can reverse (e.g melting ice) one in which a material changes from one state to another.
- 9. change from liquid to gas (a;so known as vaporization)
- 11. characteristics of a substance
- 12. substance made up of only one kind of matter, which has a unique set of properties
- 16. Neutral particles
- 17. Place on periodic table showing horizontally
- 23. Nucleus contained positively charged particles