give information about the halogen
Answers
Answer:
The halogens are a group in the periodic table consisting of five chemically related elements: Fluorine, Chlorine, Bromine, Iodine (I), and Astatine. The artificially created element 117 may also be a halogen. In the modern IUPAC nomenclature, this group is known as group 17. The name "halogen" means "salt-producing".
Explanation:
Halo means Salt and gen means generating. Salt generating group also called as Halogens which are Group 17 in Modern periodic table. The Halogens contain 7 outermost electron in their last shell. The valency of Halogens are 1. They are electronegative elements exception for Oxygen and Nitrogen. Fluorine, Oxygen, Nitrogen, and Chlorine are the most electronegative elements in the Modern Periodic table. By reacting with any metal it produces Salt. Ex. NaCl.
In reactions, Astatine are not used since they are very dangerous and toxic in nature. F2,Cl2,Br2,I2 in them Fluorine is more electronegative. But in single gaseous atom F,Cl,Br,I I is more negatively charge atom.
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