Across
- 5. Mo's ______________ scale
- 7. humans drink ______________
- 8. symbol for Iron
- 9. no mg or calcium in water
- 11. large mass of ice
- 13. in oceans
- 14. a _______ hydrogen is dry ice
Down
- 1. 1 in water molecule
- 2. hard water causes bathtub ______
- 3. distilled, 0 minerals, and PH is 7
- 4. water _____________ joints
- 5. add mg and calcium to water
- 6. 2 in water molecule
- 10. when water is formed an __________ happens
- 12. clogs pipes