L
little dragon
Guest
1. The molecules of which phase have the greatest intermolecular forces, compared to their kinetic energies?
plasma
gas
liquid
solid
2. Which of the following has the lowest melting point?
covalent molecular crystal
ionic crystal
amorphous solid
metallic crystal
3. Which of the following properties characterize a cubic unit cell?
All angles are right angles, and the sides are of equal length.
All angles are equal, and the lengths of the sides are different.
All angles are right angles, and the lengths of the sides are different.
All angles are unequal, and the sides are of equal length.
4. On the basis of structure, which of the following solids has the highest melting point?
glucose
sucrose
butter
table salt
5. On the basis of structure, which of the following solids is the most brittle?
CaF2
C6H12O6
Cu
Au
plasma
gas
liquid
solid
2. Which of the following has the lowest melting point?
covalent molecular crystal
ionic crystal
amorphous solid
metallic crystal
3. Which of the following properties characterize a cubic unit cell?
All angles are right angles, and the sides are of equal length.
All angles are equal, and the lengths of the sides are different.
All angles are right angles, and the lengths of the sides are different.
All angles are unequal, and the sides are of equal length.
4. On the basis of structure, which of the following solids has the highest melting point?
glucose
sucrose
butter
table salt
5. On the basis of structure, which of the following solids is the most brittle?
CaF2
C6H12O6
Cu
Au