Question

Write short notes on : Halogens or group 17 elements.
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Answer 1

Answer:

These five toxic, non-metallic elements make up Group 17 of the periodic table and consist of: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). ... Because the halogen elements have seven valence electrons, they only require one additional electron to form a full octet

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Answer 2

Explanation:

Halogens or group 17 elements.

The group 17 elements include fluorine(F), chlorine(Cl), bromine(Br), iodine(I) and astatine(At) from the top to the bottom. They are called “halogens” because they give salts when they react with metals.