Across
- 3. Together by a chemical bond.
- 6. Barium is classified as an ___.
- 10. Barium ___ in moist environments.
- 11. Greek for heavy.
- 12. 56.
- 13. 6.
- 14. ___ with air and water.
Down
- 1. The atom is ___.
- 2. Barium has two ___ electrons.
- 4. Reflective.
- 5. ___ at room tempature.
- 7. In rows and columns.
- 8. Group.
- 9. Chemistry, the study of all ___.
- 11. Most common form of barium.
