Question : In which element group of the periodic table are fluorine, chlorine, bromine and iodine included?
Option 1: Actinides
Option 2: Chalcogen
Option 3: Lanthanides
Option 4: Halogens
Correct Answer: Halogens
Solution : The correct answer is Halogens.
Group 17 in the periodic table is known as the Halogen group, and it contains five natural halogen elements: fluorine, chlorine, bromine, iodine and astatine. the atomic number for the following is_
F: 9
Cl : 17
Br: 35
I : 53
At: 85
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