Across
- 2. is an abbreviation that represents an element
- 5. one that does not have a uniform composition
- 8. Substance a substance that has defined physical and chemical properties
- 9. are subatomic particles that have positive charge
- 10. a substance that cannot be separated or broken down into simpler substance by chemical means
- 13. The amount of space an object takes up
- 15. water that collects on cold surface
- 16. Basic building blocks of matter
Down
- 1. is a characteristic of a substance that can be observed and measured
- 3. no charge
- 4. evenly spread out throughout
- 6. the process of turning liquid to water vapor
- 7. becoming liquidfing into liquid
- 10. Negatively charged
- 11. Made up of 2 or more atoms
- 12. number an element's number of protons in the nucleus of one of its atoms
- 14. Is measured in the given mass and volume