Across
- 4. columns on the periodic table
- 5. gases the least reactive family on the periodic table
- 7. anything that takes up space or has mass
- 8. has properties of both metals and non-metals
- 9. after the arrow
- 10. if atoms on both sides are the same
Down
- 1. atoms can only be
- 2. rows on the periodic table
- 3. metals most reactive family on the periodic table
- 6. before the arrow