Across
- 1. change when one or more substance combine or break apart from a new substance
- 5. the amount of space an object takes up
- 7. a change directly from the solid to the gaseous state without becoming a liquid
- 9. a characteristic of a pure substance that can be observed without changing it into another substance
- 11. state of matter that is made of atoms in which some or all of the electrons have been stripped away and positively charged ions roam free
- 13. a measure of the amount of matter in an object
- 14. a liquid becomes solid, below 32 degrees F
- 17. smallest particle of an element
- 18. a solid becomes liquid by heat
- 19. substance being dissolved in a mixture
- 20. 2 or more substances mixed but not chemically combined
Down
- 2. has the same properties and chemical composition
- 3. conversion of a vapor or gas into a liquid
- 4. able to dissolve other substances
- 6. temperature when a liquid bo9ils and turns water to vapor
- 8. has no definite shape but has a definite volume
- 10. a molecule composed of one kind of atom, cannot be broken
- 12. not uniform throughout the mixture
- 15. has a definite volume and a definite shape
- 16. no definite shape of volume