Across
- 2. Chemistry of living organisms
- 6. vertical columns
- 8. positive subatomic particle
- 13. study of the composition of matter
- 15. horizontal rows
- 17. metals in group 1A
- 18. neutral subatomic particle
- 19. bond between ions
- 20. Negative subatomic particle
- 21. property that can be observed
- 23. property that depends on the type of matter
- 25. property of substances that involves change
Down
- 1. property property that depends on the amount
- 3. two or more elements combined
- 4. homogenous mixture
- 5. table that list elements
- 7. compound formed by covalent bonds
- 9. solid formed when two liquids react
- 10. method that involves testing
- 11. number of periods on the periodic table
- 12. Chemicals that contain carbon
- 14. letter representation of an element
- 16. Group 7A
- 22. chemicals the do not contain carbon
- 24. simplest form of matter