Question

halogen is definetion​

Answer 1

Answer:

17 group elements are called halogens

Answer 2

Answer:

The halogen are a group in period table consist of five chemical related elements :

• fluorine
• chlorine.
• bromine.
• iodine.
• astatine

The artificially created elements 117, Tennessine ,

may also be halogen , in modern IUPAC nomenclature,

Halogen group is known as 17.

Explanation:

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