Bad conductor of electricity is

Ionic compounds are bad conductors of electricity in the solid state.

Why is NaCl a bad conductor of electricity in the solid state?

Why is NaCl a bad conductor of electricity in the solid state?

Why CaCl_(2) and NaCl are bad conductor of electricity in the solid state.

Why ionic compounds are bad conductors of electricity in crystalline state but good conductors of electricity in aqueous solutions ?

X’ melts at low temperature and is a bad conductor of electricity in both liquid and solid state. X is:

X’ melts at low temperature and is a bad conductor of electricity in both liquid and solid state. X is:

Consider the relation between the item in the first pair and write the correlation for second pair: Wood : Bad conductor of electricity : : Copper : -----.