Chapter 8, Problem 8.106SP

At high temperatures, sulfur vapor is predominantly in the form of ${\text{S}}_{\text{2}}\left(g\right)$ molecules.
(a) Assuming that the molecular orbitals for third-row diatomic molecules are analogous to those for second-row molecules,construct an MO diagram for the valence orbitals of ${\text{S}}_{\text{2}}\left(g\right)$ .
(b) Is ${\text{S}}_{\text{2}}$ likely to be paramagnetic or diamagnetic?
(c) What is the bond order of ${\text{S}}_{\text{2}}\left(g\right)$ ?
(d) When two electrons are added to ${\text{S}}_{\text{2}}$ , the disulfide ion ${\text{S}}_{\text{2}}{}^{\text{2}-}$ is formed. Is the bond length in ${\text{S}}_{\text{2}}{}^{\text{2}-}$ likely to be shorter or longer than the bond length in ${\text{S}}_{\text{2}}$ ? Explain.