I Mg Ko Mg NI II Mg III image inery Chem 2002 3:56

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I Mg Ko Mg Ni Ii Mg Iii Image Inery Chem 2002 3 56 1 (391.84 KiB) Viewed 51 times

a. I > II > III
b. II > I > III
c. I > III > II
d. III > I > II
2. In the superconducting state, the resistivity of the
material becomes infinite.
a. TRUE
b. False
3. Based on the charge/radius ratio, which of the following
ionic compounds has the highest lattice energy?
a. AlN
b. CsCl
c. MgO
d. AgBr
4. Solids tend to pack into compact structures so that:
a. the distance between atoms of the same kind is constant and
invariant
b. distance is optimized and energy is decreased
c. crystal defects are avoided
d. increase the entropy of the system
5. Thallium fluoride, TlF has a relatively large cation
(ionic radii: F = 115 pm and Tl = 112 pm). This compound will have
a crystal structure analogous to _________.
a. NaCl, sodium chloride
b. CsCl, cesium chloride
c. CaF₂, fluorite
d. CaTiO₃, perovskite
6. From the metallic bond we can say that it is...
a. stronger than the ionic bond.
b. stronger than the covalent bond.
c. stronger than London's dispersal forces.
d. weaker than London's dispersal forces.
I Mg Ko Mg NI II Mg III image inery Chem 2002 3:56