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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
smaller distance between particles in a solid
B
ability of the particles in a solid to move freely
C
much greater density of solids
D
fixed pattern of particle arrangement in a solid
2) The smallest representative, repeating portion of a crystal is the
A
molar cell
B
molecular 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
supercooled liquids
B
hydrated solids
C
semisolids
D
imperfect solids
5) Types of crystalline solids include all of the following except
A
metallic
B
nonmetallic
C
molecular
D
covalent-network
6) What is the characteristic feature of a metallic crystal?
A
The positive ion is free to move
B
The valence electrons move around the positive ion
C
The bonding forces are weak
D
The metallic bond is directional
7) Which of the following types of crystalline solids would you expect to have the highest melting temperatures?
A
molecular
B
metallic
C
network-covalent
D
ionic
8) A change in the physical state of a substance always involves a change in
A
pressure
B
energy
C
temperature
D
volume
9) The molecules in a liquid at a particular temperature
A
have a range of kinetic energies
B
each have different but fixed kinetic energies
C
all have the same kinetic energy
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
static equilibrium
B
unstable equilibrium
C
false equilibrium
D
dynamic equilibrium
*select an answer for all questions
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