<unk>  is the ionic form of<unk> .<unk> s are organic and inorganic compounds containing the element<unk> . As a halogen,<unk>  forms a monovalent ion (−1 charge).<unk>  forms a binary compound with another element or radical. Examples of<unk>  compounds include hydrofluoric acid (HF), sodium<unk>  (NaF) and calcium<unk>  (CaF2), and uranium hexafluoride (UF6).
Fluoride
Phosphate
Ostium
Bromide
Phosphonic acid
Sulfate
Phosphorous acid
Saline 