Across
- 4. anything that has mass and takes up space.
- 5. a single kind of matter that is pure.
- 7. formula symbols that show the elements in a compound.
- 8. two or more substances that are together in the same place.
- 9. the measure me t of how much mass a substance contains ..
Down
- 1. a substance made of two or more elements.
- 2. the study of the properties of matter.
- 3. the basic particle from which all elements are made.
- 4. a group of two or more atoms.
- 6. a pure. Substance that cannot be broken