Question

find odd man out with reason. boron,chlorine,bromine,fluorine

Answer 1

Boron is odd man out. because all 3 elements are belongs to halogen group.

Answer 2

$\huge\mathfrak{Hello}$

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Fluorine, is the odd one out in bromine fluorine and chlorine.

fluorine, bromine, chlorine belongs to one group was and where as Boron belongs to other group........