This element bound to carbon can be used to create Teflon.
Along with sodium and aluminum, this element makes up the uncommon mineral cryolite. This element bound to carbon can be used to create Teflon. Freon was a brand name given to another combination of this element with carbon and chlorine, which is considered a key agent in ozone layer depletion. This halogen has an electronegativity of 4.0, making it the most electronegative element. For 10 points, name this element whose anion is used in a process that makes public water healthier for teeth.
Along with sodium and aluminum, this element makes up the uncommon mineral cryolite.
fluorine