Exam 12: Solids

Larger cations have higher coordination numbers than small cations.

A(n) _____ is a point defect that consists of a single atom missing from a site in a crystal.

A solid with a regular repeating three-dimensional structure is called a(n) _____.

A(n) _____ is any non-metallic inorganic solid that is strong enough to be used in structural applications.

_____ is the property of a material that allows it to be molded into almost any shape.

A(n) _____ is a giant molecule that consists of many basic structural units connected in a chain or network by covalent bonds.

A solid material with a very high electrical conductivity is called a(n) _____.

Which of the following is an amorphous solid?

Crystalline solids differ from amorphous solids as amorphous solids:

The solid structure that results when half of the tetrahedral holes in an fcc lattice of anions are filled with cations with a 1:1 cation:anion ratio and a coordination number of 4 is called the _____.

Differentiate between a body centered cubic and a face centered cubic.

The phenomenon in which a superconductor completely expels a magnetic field from its interior is called the _____ effect.

The basic structural unit of a polymer is called a(n) _____.

The practice of introducing a dense network of dislocations throughout a solid, to make it very tough and Hard is known as _____.

The band of empty molecular orbitals in a semiconductor is called a(n) _____ band.

An alloy formed by inserting smaller atoms into holes in the metal lattice is called a(n) _____ alloy.

Every lattice point in a pure metallic element is occupied by an atom of the same metal.

Composite materials are tougher and more resistant to corrosion than their components.

Schottky defect is a defect in an ionic lattice that occurs when one of the ions is in a wrong position.

A hole that is located in the center of the face-centered cubic unit cell and as a shared one in the middle of each edge is called a(n) _____ hole.