Halogen is a particular group of elements with similar bonding properties, consisting of flourine, chlorine, bromine and iodine.

H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac
Lanthanides Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Actinides Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr

The name means "salt former"; halogens react with metals to form binary ionic compounds.

See also: Acid Halide, Astatine, Bromine, Chlorine, Fluorine, Halon, Inert Gas, Iodine, Periodic Table.

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Subjects: Chemistry