Metallic Crystal Structure

What is the contribution of each atom at the corners of a simple cubic lattice to a unit cell? 

• 1/4 of an atom 

• 1/8 of an atom 

• 1/2 of an atom 

• 1 atom 

How many atoms are present in a body-centered cubic unit cell? 

• 1

• 2

• 3

• 4

What additional feature distinguishes a body-centered cubic unit cell? 

• More corner atoms 

• An atom at the body center 

• Higher density of atoms 

• Fewer corner atoms 

How many atoms are contributed by the face atoms in a face-centered cubic unit cell? 

• 1

• 2

• 3

• 6

What is the total number of atoms in a simple cubic unit cell? 

• 1

• 2

• 4

• 8

What is the primary constituent particle in the cubic unit cell being discussed? 

• Ion 

• Molecule

• Atom 

• Electron 

How many atoms in total are present in a face-centered cubic unit cell? 

• 1

• 2

• 3

• 4

Which of the following best describes a crystalline structure?

• Molecules are arranged randomly

• Atoms are arranged in a regular, repeating pattern

• It has no long-range order

• It is only found in non-metallic materials

What is a characteristic of non-crystalline (amorphous) materials?

• They have a well-defined melting point

• Atoms are arranged in a regular three-dimensional pattern

• They show short-range order in their structure

• All non-crystalline materials are liquids

Which of the following is NOT a common crystal structure found in metals?

• Simple cubic

• Body centered cubic

• Face centered cubic

• Tetragonal structure