The correct answer:
Phenol
Phenol is a compound, While other are elments found under the 17th group, and popularly known as Halogens.
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- The name halogen comes from the Greek words "hals", meaning "salt", and "gen", meaning "to make."
- The halogens are a group of elements in the periodic table.
- They are located to the right of the other nonmetals and to the left of the noble gases.
- The halogens include the five elements fluorine, chlorine, bromine, iodine, and astatine. They make up column 17 of the periodic table.
- They have seven valence electrons in their outer shell.
- They all exist as diatomic molecules (two atoms) when in their pure form.
- Simple compounds that contain halogens are called halides.
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