Question

Why is fluorine the most reactive element in group 7?

Answer 1

By  seeing images below understand carefully

Answer 2

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1. Fluorine has the electronic configuration

( 2, 7 ).

2. It requires only one electron to complete the octet.

3. The atomic size of fluorine is the smallest among the halogens.

4. Hence, the nuclear attraction on the outermost electrons is maximum.

Hence, fluorine is the most reactive among the halogens.

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