<P> An oxygen fluoride is a compound containing only the chemical elements oxygen and fluorine . Three are known: </P> <Ul> <Li> Oxygen difluoride </Li> <Li> Dioxygen difluoride </Li> <Li> Trioxygen difluoride (ozone (di) fluoride, O F, blood - red solid with m.p. 83 K, dec. ~ 116 K, first reported (1938) by Aoyama and Sakuraba) </Li> </Ul> <Li> Trioxygen difluoride (ozone (di) fluoride, O F, blood - red solid with m.p. 83 K, dec. ~ 116 K, first reported (1938) by Aoyama and Sakuraba) </Li>

Do oxygen and fluorine form an ionic compound