Across
- 3. / more than one atom
- 4. / no shape fills container
- 5. property / observable can be measured
- 7. electrons / the electrons on the last energy level
- 8. / flows and takes shape of a container
- 9. / keeps shape
- 11. / columns on the periodic table
- 12. / all the substances are the same throughout
- 14. / rows on the periodic table
Down
- 1. property / potential to change. ability to react
- 2. / electrons separate from atoms
- 6. / visibly different substance throughout
- 10. / more than one type of atom
- 13. / only one type of atom