Chemical Compounds Worksheet With Answers Page 7
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922) According to the phase diagram shown above, the normal boiling point of this substance is
22)
__________ °C.
A) -3
B) 29
C) 0
D) 38
E) 10
23) Which one of the following cannot form a solid with a lattice based on the sodium chloride
23)
structure?
NaBr
LiF
RbI
CuO
CuCl 2
A) RbI
B) NaBr
C) CuCl 2
D) LiF
E) CuO
24) Gallium crystallizes in a primitive cubic unit cell. The length of the unit cell edge is 3.70Å. The
24)
radius of a Ga atom is __________ Å.
A) 7.40
B) 0.930
C) Insufficient data is given.
D) 3.70
E) 1.85
25) Potassium metal crystallizes in a body-centered cubic structure with a unit cell edge length of 5.31
25)
Å. The radius of a potassium atom is __________ Å.
A) 1.33
B) 1.88
C) 2.30
D) 5.31
E) 2.66
26) Which of the following is not a type of solid?
26)
ionic
molecular
supercritical
metallic
covalent-network
A) supercritical
B) covalent-network
C) molecular
D) ionic
E) metallic
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