Across
- 4. a combination of two or more substances that are together but do not combine to form a new, pure substance
- 7. made of atoms and molecules
- 8. the amount of matter in a substance
- 9. a chemical that is made from a large number of repeating monomers
- 11. when atoms and molecules of two substances interact and form a new and different substance it is a _____ reaction
- 12. a mixture that has the same uniform appearance and composition throughout
- 13. acids have a ____ taste
Down
- 1. the smallest building block of matter
- 2. bases have a _____ taste
- 3. a mixture that consists of visibly different components
- 5. the PH scale measures how much ______ is in a chemical
- 6. acids and bases are two types of chemicals with ____ properties
- 10. a chemical reaction can happen when two substances are ____.