1.

Fluorine is the most reactive among the halogens.

Answer»

SOLUTION :(1) FLUORINE has the electronic configuration (2, 7).
(2) It requires only one electron to COMPLETE the octet.
(3) The atomic SIZE of flourine is the smallest among the halogens. Hence, the nuclear attraction on the outermost electrons is maximum. Hence, fluorine is the most reactive among the halogens.


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