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