Used in the production of beryllium and as a catalyst.
The molecule has two enantiomers: stereoisomers that are mirror images of each other and are not superimposable.
The lightest halogen, a pale yellow-green, toxic gas, extremely reactive. Its best known compound is teflon.
One of the hydrogen halides, a highly aggressive substance - it even attacks glass.
Colourless, odourless gas, the monomer of teflon.
Halogen elements are a group in the periodic table consisting of five chemically related elements, fluorine, chlorine, bromine, iodine, and astatine.