Answer:
i think snowball, it sounds weird but its true (i think im sorry if its wrong)
Explanation:
The columns of the periodic table, also referred to as "groups" contain elements with similar reactive properties, due to these elements having a similar configuration of electrons in their outer shell.
Then answer would be D. Answer D is correct because you would need to use a better solvent to see the ink separate on the chromatography paper. Hope that helps. :)
The atom has equal amount of Protons and electrons it is Neutral