Across
- 2. smallest units of a substance
- 4. 2 or more liquids that do not mix
- 7. smallest particles that have property of elements
- 8. substance that can't be broken down
Down
- 1. symbols and #s indicating the basic units
- 2. 2 or more liquids that dissolve into each other
- 3. made of atoms of more than 1 element bound
- 5. ability to change or move matter
- 6. has mass or occupies space