An element with 7 valence electrons will most likely- be found in group 17 and be highly reactive

be found in group 7 and be highly reactive

be found in group 17 and be inert

be found in group 17 and be somewhat reactive

be found in group 17 and be highly reactive

Explanation:

Elements are distributed in groups and periods in a periodic table.

Elements that belong to same groups will show similar chemical properties because they have same number of valence electrons.

Flourine, chlorine, bromine and iodine are elements which belong to Group 17. All of them contain 7 valence electrons each and need one electron to complete their octet.

The chemical reactivity of elements is governed by the valence electrons present in the element and thus all of them are highly reactive.

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