1]rank the following from largest to smallest atomic radius: chlorine, aluminum, argon, sodium 2]what element has the largest atomic radius on the periodic table? the smallest? why?3]how does the atomic radius of an anion compare to an atom of the same element?
1Chlorine, Argon, Aluminum, Sodium; Use the periodic trend that as you go down a group, the atomic radius increases2Francium (Fr) has the largest atomic radiusHydrogen or Helium has the smallest atomic radius; H is 31 +/- 5 pm and He is 28 pmAs you go down a group in the periodic table, there are more protons and neutrons in the nucleus, so the radius will be larger3An anion has a larger atomic radius compared to the atom of the the same elementThis is true because the anion has one more electron than the atom, so it has a larger size.
