MSE 503 EXAM 2 QUESTIONS AND VERIFIED
ANSWERS
1. Solid-state physics focuses on studying __ and __ in crystals.
a. atoms; neutrons
b. atoms; protons
c. crystals; electrons
d. electrons; protons
e. crystals; protons - Answers - c
5. An ideal crystal is composed of the ___ repetition of __ structural units.
a. infinite; finite different
b. finite; finite different
c. finite; infinite different
d. infinite; identical
e. none of the above - Answers - d
12. Atomic structure is based on the arrangement of __, and crystal structure is based
on the arrangement of __.
a. protons and neutrons in an atom; structures in a crystal.
b. protons in an atom; atoms in a crystal.
c. electrons in an atom; atoms in a crystal.
d. atoms in a structure; structures in a crystal.
e. none of the above - Answers - c
14. In a Bravais point-lattice, the function of the translation vector is to __.
a. translate the lattice to create new crystal systems
b. translate the lattice to create new Bravais lattices
c. describe the periodicity of the structure
d. describe the translation of the lattice to create a basis.
e. describe the translation of the basis to create a lattice. - Answers - c
15. A point lattice is a __ construct of __.
a. mathematical; periodic points in space
b. physical; atoms in space
c. lattice; basis in a crystal
d. basis; lattice points
e. physical; periodic atoms in space - Answers - a
2. In a crystal, the ___ is repeated in space to create the crystal ___.
a. lattice; array
b. basis; structure
c. basis; array
, d. lattice; structure
e. basis; lattice - Answers - b
1. In a crystal structure, the group of atoms attached to a lattice point is called the __.
a. crystal
b. structure
c. basis
d. atomic group
e. group - Answers - c
17. A lattice ___ is the collection of symmetry operations which (when applied about a
___) leave the lattice ___.
a. point space; lattice space; invariant
b. point space; lattice space; variant
c. point group; lattice point; variant
d. point group; lattice point; invariant
e. none of the above - Answers - d
5. The coordination number is the number of ___ surrounding the __.
a. electrons; nucleus
b. protons; nucleus
c. cations; anion
d. anions; cation
e. atoms; electrons
Theodore, David ; Alford, Terry L. . Materials Science - Book 2: 470+ Questions &
Answers (p. 355). UNKNOWN. Kindle Edition. - Answers - d
16. A grain is a volume of __ material with __ crystallographic __
a. amorphous; a single; orientation
b. amorphous; multiple; orientations
c. crystalline; multiple; orientations
d. crystalline; a single; orientation
e. crystalline; no; orientation
Theodore, David ; Alford, Terry L. . Materials Science - Book 2: 470+ Questions &
Answers (p. 358). UNKNOWN. Kindle Edition. - Answers - d
17. A grain-boundary separates two __ and contains __.
a. amorphous grains; an amorphous zone
b. amorphous grains; an array of dislocations
c. crystalline grains; an array of dislocations
d. crystalline grains; an amorphous zone
e. none of the above
Theodore, David ; Alford, Terry L. . Materials Science - Book 2: 470+ Questions &
Answers (p. 358). UNKNOWN. Kindle Edition. - Answers - c
ANSWERS
1. Solid-state physics focuses on studying __ and __ in crystals.
a. atoms; neutrons
b. atoms; protons
c. crystals; electrons
d. electrons; protons
e. crystals; protons - Answers - c
5. An ideal crystal is composed of the ___ repetition of __ structural units.
a. infinite; finite different
b. finite; finite different
c. finite; infinite different
d. infinite; identical
e. none of the above - Answers - d
12. Atomic structure is based on the arrangement of __, and crystal structure is based
on the arrangement of __.
a. protons and neutrons in an atom; structures in a crystal.
b. protons in an atom; atoms in a crystal.
c. electrons in an atom; atoms in a crystal.
d. atoms in a structure; structures in a crystal.
e. none of the above - Answers - c
14. In a Bravais point-lattice, the function of the translation vector is to __.
a. translate the lattice to create new crystal systems
b. translate the lattice to create new Bravais lattices
c. describe the periodicity of the structure
d. describe the translation of the lattice to create a basis.
e. describe the translation of the basis to create a lattice. - Answers - c
15. A point lattice is a __ construct of __.
a. mathematical; periodic points in space
b. physical; atoms in space
c. lattice; basis in a crystal
d. basis; lattice points
e. physical; periodic atoms in space - Answers - a
2. In a crystal, the ___ is repeated in space to create the crystal ___.
a. lattice; array
b. basis; structure
c. basis; array
, d. lattice; structure
e. basis; lattice - Answers - b
1. In a crystal structure, the group of atoms attached to a lattice point is called the __.
a. crystal
b. structure
c. basis
d. atomic group
e. group - Answers - c
17. A lattice ___ is the collection of symmetry operations which (when applied about a
___) leave the lattice ___.
a. point space; lattice space; invariant
b. point space; lattice space; variant
c. point group; lattice point; variant
d. point group; lattice point; invariant
e. none of the above - Answers - d
5. The coordination number is the number of ___ surrounding the __.
a. electrons; nucleus
b. protons; nucleus
c. cations; anion
d. anions; cation
e. atoms; electrons
Theodore, David ; Alford, Terry L. . Materials Science - Book 2: 470+ Questions &
Answers (p. 355). UNKNOWN. Kindle Edition. - Answers - d
16. A grain is a volume of __ material with __ crystallographic __
a. amorphous; a single; orientation
b. amorphous; multiple; orientations
c. crystalline; multiple; orientations
d. crystalline; a single; orientation
e. crystalline; no; orientation
Theodore, David ; Alford, Terry L. . Materials Science - Book 2: 470+ Questions &
Answers (p. 358). UNKNOWN. Kindle Edition. - Answers - d
17. A grain-boundary separates two __ and contains __.
a. amorphous grains; an amorphous zone
b. amorphous grains; an array of dislocations
c. crystalline grains; an array of dislocations
d. crystalline grains; an amorphous zone
e. none of the above
Theodore, David ; Alford, Terry L. . Materials Science - Book 2: 470+ Questions &
Answers (p. 358). UNKNOWN. Kindle Edition. - Answers - c
