4. 5. 23. Where on the blank outline of the periodic table do
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. 5. 24. Where on the periodic table do elements that meet the
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

6. 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?

7. 5.26 What atom has the following orbital-filling diagram?

8. 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.

9. 5.28 Which of the following three spheres represents a Ca atom, which an Sr atom, and which a Br atom?

10. 5.29 Identify each of the following orbitals, and give n and l quantum numbers for each.