Across
- 1. Building blocks of everything
- 3. when a group of atoms are held together
- 4. What holds elements together in compounds
- 8. Invisible state of matter
- 10. Hard state of matter
- 11. When atoms of the same type are grouped
Down
- 2. Atoms that are not chemically bonded
- 5. A molecule with two or more types of atoms
- 6. Flowing state of matter
- 7. Anything that has mass and takes up space
- 9. popular mixture
