8.3. Metallic Bonds http://www.ck12.org
FIGURE 8.16
The Willis Tower (formerly called the
Sears Tower) in Chicago was once the
tallest building in the world and is still the
tallest in the Western Hemisphere. The
use of steel columns makes it possible
to build taller, stronger, and lighter build-
ings.Lesson Review Questions
Reviewing Concepts
- Which of the following elements displays metallic bonding?
a. Se
b. Ti
c. Ru
d. Te - Explain the behavior of electrons in a metal.
- How does a metallic bond contribute to the electrical conductivity of metals?
- Name the three common closest packing arrangements of metal atoms in a crystal. Give an example of a
metallic element that crystallizes in each form.
Problems
- Why are ionic crystals brittle, while most metals are malleable?