Question

Why are hologens placed in Group 17 ?​

Answer 1

Explanation:

The halogens are located on the left of the noble gases on the periodic table. Because the halogen elements have seven valence electrons, they only require one additional electron to form a full octet. ... This characteristic makes them more reactive than other non-metal groups.

Answer 2

Answer:

The halogens are located on the left of the noble gases on the periodic table. Because the halogen elements have seven valence electrons, they only require one additional electron to form a full octet.

Explanation:

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