Across
- 2. property of pure substances that use the Mohs scale to describe its "strength".
- 3. property of pure substances that is described as whether or not it will dissolve in another substance.
- 5. the substance(s) present at the beginning of a chemical reaction.
- 7. a chemical reaction that occurs in this type of system is not sealed and a change in mass can be observed.
Down
- 1. property of pure substance that is described as the mass of an object divided by its volume.
- 4. the substance(s) made as a result of a chemical reaction.
- 6. a chemical reaction that occurs in this type of system is sealed and a change in mass will not be observed.