Across
- 2. a strong base that dissolves in water
- 4. it is the study of matter and changes it undergoes
- 8. volume that encloses little or no matter
- 9. it is defined as mass divided by volume
- 11. basic unit of light and all other electron magnetic radiation
- 13. anything that has mass and occupies volume
- 14. the only metal that is liquid form at room temperature
- 15. the mechanical process to separate solids from fluids
- 16. negative ions are called
Down
- 1. positive ions are called
- 3. the device that measures temperature
- 5. blue litmus paper turns
- 6. NH3
- 7. Unit of measurement of time
- 10. the center of atom is called
- 12. an individual and basic unit of matter
- 15. The process through which a substance changes from liquid to solid