Across
- 2. The smallest and most basic unit of matter
- 3. Anything that has mass and takes up space
- 9. A mixture where the composition is uniform
- 10. A pure substance made of one kind of atom
Down
- 1. A mixture where the composition is not uniform
- 4. A group of atoms bound together
- 5. Can't be separated by physically and is classified as an element
- 6. Example of homogeneous
- 7. A combination of two or more substances, which aren't chemically bound
- 8. A pure substance made up of two or more elements that are chemically bonded together