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Chemistry; Ch. 8
Crystal Cathedral High School Sophomores (Semester 1; Ms. Rose)
| Question | Answer |
|---|---|
| Aluminum | Used in wire. |
| Calcium | Maintains heart rate. |
| Fluorine | Used in toothpaste and mouthwash to prevent tooth decay. |
| Iodine | Used as a disinfectant. |
| Lead | Heavy. |
| Mercury | Only metal that's a liquid at room temperature. |
| Praseodymium | Used to make the dark glass for wending masks. |
| Selenium | Increased electrical conductivity when exposed to light. |
| Silicon | Used in diodes and computer chips. |
| Strontium | Chemically similar to Calcium and can replace it in bones (bad because it's radioactive). |
| Tin | Used in foil. |