The Periodic Table of the Elements: The Halogens DVD
Halogens are vital to keeping us safe and protected. See how fluorine makes for happy, healthy smiles. Learn how introducing chlorine into drinking water virtually eliminated the occurrence of waterborne diseases. Discover bromine’s use in fire-retardant technology, keeping homes and people protected. Then, explore the role hydrochloric acid plays in your digestive system. Includes five segments.
- Exploring the Halogens
- Fluorine: The Painless Dentist
- Chlorine: Cleansing Drinking Water
- Bromine: Fighting Fire
- Digestion:The Acid Test