Across
- 3. ingredient in toothpaste(NaF)
- 5. added to "iodized" salt for thyroid health(KI)
- 7. added to purified water(MgSO4)
- 10. third most abundant element on earth(O2)
Down
- 1. a food additive(K3PO4)
- 2. preservative
- 4. most essential for survival on earth(H2O)
- 6. used to disinfect water(Cl2)
- 8. used as fertilizers in agriculture(NH3)
- 9. used primarily in textile industries(CN)