Across
- 4. a homogenous mixture in which one substance dissolves another
- 6. property ~ can be observed without changing the identity of the substance
- 8. ~ the measure of the amount of matter in an object
- 9. ~subtance or molecule that participates in a chemical reaction
- 10. smallest unit of an element that maintains the properties of that element
- 11. anything that takes up space
- 12. reactions the process by which one or more substances change
- 13. substance formed in a chemical change or reaction
Down
- 1. change does not involve a change of identity of a substance
- 2. indefinite volume and shape
- 3. definite volume but indefinite shape
- 5. pure substance that contains one kind of atom
- 7. substance composed of dissimilar components not well mixed
- 8. combination of pure substances that are not chemically combined
- 13. substance ~have has definite chemical and physical properties