5.23 Where on the blank outline of the periodic table do elements that meet the following descriptions appear?(a) Elements with the valence-shell ground-state

electron configuration ns2 np5

(b) An element whose fourth shell contains two p electrons(c) An element with the ground-state electron

configuration [Ar] 4s2 3d10 4p5

5.24 Where on the periodic table do elements that meet the following descriptions appear?(a) Elements with electrons whose largest principal quantum number is n 4(b) Elements with the valence-shell ground-state

electron configuration ns2 np3

(c) Elements that have only one unpaired p electron(d) The d-block elements(e) The p-block elements

5.25 Two electromagnetic waves are represented below.(a) Which wave has the greater intensity?(b) Which wave corresponds to higher-energy radiation?(c) Which wave represents yellow light, and which represents infrared radiation?

5.26 What atom has the following orbital-filling diagram?

5.27 The following orbital-filling diagram represents an excited state rather than the ground state of an atom. Identify the atom, and give it’s ground-state electron configuration.

5.28 Which of the following three spheres represents a Ca atom, which an Sr atom, and which a Br atom?

5.29 Identify each of the following orbitals, and give n and l quantum numbers for each.