Ron (Fe): [Ar]4s23d6 core electrons valence electrons

c)red bank

explanation:

red bank is a borough in monmouth county, new jersey, incorporated in 1908 and located on the navesink river, the area's original transportation route to the ocean and other ports.

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be

може ли да зареждате повече информация, моля

it is stable as it is in group 0 which have full outer shells of electrons