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Condensd States Of Matter
Test Description: Solid and liquid properties
Instructions: Answer all questions to get your test result.
1) The most important difference between solids and liquids is the
A
ability of the particles in a solid to move freely
B
much greater density of solids
C
smaller distance between particles in a solid
D
fixed pattern of particle arrangement in a solid
2) The smallest representative, repeating portion of a crystal is the
A
molecular cell
B
molar cell
C
lattice cell
D
unit cell
3) Solids that contain water molecules embedded in their lattice structures are called
A
amorphous
B
anhydrous
C
hydrates
D
hydrogenated
4) Amorphous solids, because of their disordered arrangement of particles and the associated properties, are often more appropriately labeled
A
imperfect solids
B
hydrated solids
C
semisolids
D
supercooled liquids
5) Types of crystalline solids include all of the following except
A
nonmetallic
B
metallic
C
covalent-network
D
molecular
6) What is the characteristic feature of a metallic crystal?
A
The metallic bond is directional
B
The valence electrons move around the positive ion
C
The bonding forces are weak
D
The positive ion is free to move
7) Which of the following types of crystalline solids would you expect to have the highest melting temperatures?
A
network-covalent
B
ionic
C
metallic
D
molecular
8) A change in the physical state of a substance always involves a change in
A
volume
B
pressure
C
energy
D
temperature
9) The molecules in a liquid at a particular temperature
A
all have the same kinetic energy
B
each have different but fixed kinetic energies
C
have a range of kinetic energies
D
have kinetic energies unrelated to the temperature
10) A condition in which the rates of two opposing changes that are occurring simultaneously are equal is referred to as a(n)
A
unstable equilibrium
B
dynamic equilibrium
C
static equilibrium
D
false equilibrium
*select an answer for all questions
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