why group 17 elements called halogens...
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'Cause halogens are five non-metallic elements in 17th group. The term 'halogen' means 'salt former' and compounds containing halogen are known as salts
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Answer:
▶▶The halogens are located on the left of the noble gases on the periodic table....
▶▶the word halogen means salt former that is these halogen elements combined with metals and form salts......
▶▶The elements are fluorine ,chlorine,bromine,iodine etc
▶▶Oxidation number of halogen is -1.
▶▶All halogen elements have seven electrons in the outer most shell
Explanation:
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