Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally
A. ionic substances
B. metallic substances
C. molecular solids
D. covalent network solids
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A. ionic substances
B. metallic substances
C. molecular solids
D. covalent network solids
A. can be liquefied
B. have different boiling points
C. are gases at room temperature
D. have different densities
A. NaCI
B. RbCI
C. LiCI
D. CsCI
A. zero potential energy
B. infinite potential energy
C. maximum potential energy
D. minimum potential energy
A. ionic crystal
B. covalent crystals
C. molecular crystals
D. metallic crystals
A. 1
B. 4
C. 2
D. 6
A. CuSO4.5H2O
B. Na2B4O7.10H2O
C. ZnSO4.7H2O
D. BaSO4.4H2O