Across
- 3. anything that takes up space and has mass
- 5. When a chemical reaction takes place and at least one new product is made, not reversible. This is a __________ change.
- 6. A change in the physical properties of a substance, is reversible. This is a __________ change.
- 8. does not have a fixed shape or volume
- 9. when atoms form they form these.
- 10. the amount of matter in an object or substance.
- 11. substances result from a chemical reaction
Down
- 1. the building blocks of matter
- 2. a substance with a fixed shape and volume
- 4. substances undergoing change in a chemical reaction
- 5. The Law of __________ of Mass says that the total mass of the reactants will always equal the total mass of the products.
- 7. have a fixed volume but not a fixed shape