Question

odd one out giving reason: fluorine, chlorine , bromine , iodine , oxide

Answer 1

Oxide.
All the others contain only on kind of molecules while oxide contains two types of molecules.

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Answer 2

The odd one is oxide.

• Fluorine, Chlorine, Bromine and Iodine all are members of the Halogen family of the periodic table.
• They all reside in group 17 of the periodic table. They have the same valance shell electronic configuration and the same valance electrons.
• Oxide is not a part of the halogen family. It does not possess similar properties to halogens.
• So, the oxide is the odd one.