Question : Which among the following elements does not belong to the Halogens group?
Option 1: Astatine
Option 2: Helium
Option 3: Bromine
Option 4: Chlorine
Correct Answer: Helium
Solution : The correct option is Helium .
Helium does not belong to the Halogens group. The Halogens group consists of fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). Helium (He) belongs to the noble gases group. Helium is a colourless, odourless, inert, and non-toxic gas. Helium is the second lightest and second most abundant element in the observable universe, after hydrogen. It is also a monoatomic gas and the first element in the group of inert gas.
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