Exam 23: The D-Block Elements

The most common oxidation state for cadmium is _____.

_____ is a process employed to separate and concentrate the metal which uses chemical reduction at high temperatures.

Which of the following transition metals can form compounds in multiple oxidation states?

_____ are electron transfer proteins with a metal center that has a distorted tetrahedral structure in which the metal ion is tightly bound to four amino acid side chains and transfers electrons at high potentials.

The group 4 transition metals have limited commercial applications.

_____ is a bonding model that explains the properties of transition-metal complexes including their colors, magnetism, structures, stability and reactivity.

The metals in the lower right corner of the d-block are often called the _____.

According to the crystal field theory, the metal-ligand interactions are purely electrostatic in nature.

A type of isomer in which the ligands or the substituents are directly across from each other in a rigid molecule or a metal complex is called a _____ isomer.

Geometrical isomers differ only in the arrangement of ligands around the metal ion.

Which of the following is a tetrahedral complex?

The group 3 elements are powerful reductants.

The coordination number 2 is most common for the metal ion _____.

Write a note on the dioxygenases involved in oxygen activation.

Explain the process of flotation used to separate metals from their ores.

The processes of settling and flotation used to separate the compound of interest are based on the differences in _____ between the desired compound and impurities.

The iron containing protein used by marine invertebrates to transport oxygen is called _____.

Which of the following is a Hard acid?

_____ is a set of processes by which metals are extracted from their ores and converted to more useful forms.

The electronic configuration of copper is 4s²3d⁹.