The Halogens - Colour Properties

The video tutorial explains fluoride, a compound of calcium and fluorine, and its presence in Group 7 of the periodic table, known as the halogens. It discusses the safe use of fluorine in everyday items like nonstick pans and drinking water. The video also covers the trends and properties of Group 7 elements, highlighting their non-metallic nature, color variations, and state changes from gases to solids as you move down the group. Specific properties of halogens such as fluorine, chlorine, bromine, and iodine are detailed, including their colors and states at room temperature.

How does the safety of fluorine change when combined with other elements?

What is the physical state and color of fluorine?