A. Which represents a diamagnetic solid, which is a paramagnetic solid, and which is a ferromagnetic solid? Figure 20 b. Which is most strongly attracted to a magnetic field? Which is least attracted? 17. Answer the following questions about the elements with the electron configurations given here: A = [Ar]4s2 B = [Ar]4s23d104p5 a. Is element A a metal, metalloid or nonmetal? B. Is element B a metal, metalloid or nonmetal? C. Which element is expected to have the larger ionization energy? D. Which element has the smaller atomic radius?