Across
- 5. established the law of conservation of mass
- 6. developed the atomic theory and solid sphere model
- 9. law in which states in a chemical change- matter is neither created nor destroyed
- 11. chemical combination of two or more different elements in a fixed proportion
- 13. combination of two or more substances in which the basic identity of each substance is not changed
- 14. smallest unit of matter
- 15. believed matter had a smallest unit and could not be divided
- 17. believed matter could be infinitely divided
- 18. changed Greek ideology, determined air was a mixture of gas
Down
- 1. developed the law of definite proportions
- 2. an observation made with measurement, numerical
- 3. simplest form of matter
- 4. an observation made without measurement, descriptive
- 7. the substance that is being dissolved when making a solution
- 8. a mixture that is the same throughout or homogenous
- 10. the substance that dissolves the solute when making a solution
- 12. matter with the same fixed composition and properties
- 16. a solid solution containing different metals and sometimes nonmetallic substances
- 17. period of 2000 years of qualitative science searching to purify, and perfect metals