Chapter EH, Problem 23R

Solution

Interpretation : The countries that export only one “strategic and critical” transition metal to the United States is to be identified.

Concept Introduction : The main transition metals are also known as d-block elements. These elements have incomplete d subshells.

The countries that export only one transition metal are Turkey, Japan, and Gabon.

The ores of transition metals are found in many countries of the world.

Only very few countries export only one transition metal.

The countries are Gabon, Japan, and Turkey.

Gabon exports manganese, Japan exports cadmium, and Turkey exports chromium.