Group 17 Elements - Halogens

  1. Group 17 elements are typical non-metals and also known as halogens.
  2. The elements in this group are fluorine. chlorine, bromine, iodine and astatine.
  3. In nature, all halogens exist as diatomic molecules. They are written as F2, Cl2, Br2, I2 and As2.
  4. Most of the halogens exist in the nature as halide salts.
  5. Halide is the name given to the ion of halogens. Table below shows the corresponding halide of the halogen.
Halogen Halide
Fluorine Fluoride
Chlorine CHloride
Bromine Bromide
Iodine Iodide


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