Sodium is located above potassium in Group 1 of the periodic table. If a potassium ion has a charge of +1, what is the charge on a sodium ion? A. -1
B 0
C. +1
D +2

C

Explanation:

It will be the same. That's what moving down a column means. The properties are going to be quite similar.

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