What is fluoroine?

Answer 1

Fluorine is a gas which is often added to tap water. It is also used in toothpaste to keep teeth cleaner.

Answer 2

Fluorine is a chemical element with the symbol F and atomic number 9. It is a highly reactive nonmetal and the most electronegative element, which means it readily forms compounds with other elements. Fluorine is commonly found in nature as the mineral fluorite and is used in various industrial applications, such as in the production of toothpaste and Teflon.