Across
- 2. change of state from a solid to a gas or from a gas to a solid
- 3. change of state from a liquid to a gas
- 5. change of state from a gas to a solid
- 6. change of state from a solid to a liquid
- 7. substance made of only one kind of matter, which has a unique set of properties
- 9. anything that has mass and occupies space
- 10. cloudy mixture in which tiny particles of one substance are held within another, and the particles can be separated out
- 11. chemical combination of two or more elements in a specific ratio
- 16. mixture in which the different substances that make up the mixture are visible
- 17. a system of easy to see warning symbols on hazardous materials
- 20. description of how a substance interacts with other substances, such as acids
- 21. neutral particle in the nucleus of an atom
- 22. positively charged particle in the nucleus of an atom
- 23. pure substance that cannot be broken down into other substances
- 24. characteristic that describes a particular substance
- 25. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
Down
- 1. change of state from a gas to a liquid
- 4. mixture of two or more pure substances that looks like one substance
- 8. a solution in which water is the solvent
- 12. property that describes the physical appearance and composition of a substance
- 13. mass of one atom of an element calculated from the total number of protons,neutrons, and electrons of that atom
- 14. change that results when two or more substances react to create a different substance or substances
- 15. change in the appearance or state of a substance that does not change the composition
- 18. combination of pure substances
- 19. a table in which the elements are organized by their physical and chemical properties