24. Transition Metals and Coordination Compounds

Write an electron configuration for ion of Tungsten (IV).

Determine electron configuration for the ion of Cd in cadmium sulfide (CdS) compound.

Locate on the periodic table the transition elements with the following electron configurations. Identify each element. <IMAGE>

(a) [Ar] 3d74s2

(b) [Ar] 3d54s1

Locate on the periodic table the transition elements with the following electron configurations. Identify each element. <IMAGE>

(c) [Kr] 4d25s2

(d) [Xe] 4f36s2

Look at the location in the periodic table of elements A, B, C, and D. <IMAGE> What is the electron configuration of the transition metal in each of the following ions?

(c) C3+

(d) DO42-

Do you expect a compound with vanadium in the +2 oxidation state to be an oxidizing or a reducing agent? Explain.

Will a compound that contains a Fe6+ ion be an oxidizing agent or a reducing agent? Explain.