Which two electron configurations represent elements that would have similar chemical properties? i.1s22s22p4ii.1s22s22p5iii.[ar]4s23 d104p3iv. [ar]4s23d104p4a) iand iib) i and iiic) iand ivd) iiand ive) iiand iii2.which of these elements exhibits chemical behavior similar to that of oxygen(o)? a) mgb) nac) s d) cle) fe3.what is the noble gas electron configuration for rb? a) [xe]5s1b) [xe]6s2c) [xe]6s1d) [kr]5s2e) [kr]5s14.in what group of the periodic table is the element with the electron configuration [ar]4s23d104p3? a) ia b) iia c) iiia d) iva e) va5.consider the element with the electron configuration [kr]5s24d7. this element isa)a halogen. b)a transition metalc)a nonmetal. d) an actinide element