Why are ionic solids non-conductive?

In the primitive atmosphere, free oxygen was absent. It facilitated the formation of simple organic chemical compounds without loss from oxidstion. Finally, the polymers, essential for primitve life were formed...

Ionic solids are non-molecular. Each cationic particle is electrostatically bound to every anion in the solid. Of course there is electrostatic repulsion between like charges, but if you sum up...

Metals are going to be the most conductive on . This is because of , where electrons are free and mobile. It also accounts for a relatively high boiling point....

$"Metallic bonding"$ results from the close packing of metal atoms, such that the atoms contribute a few of their to the overall lattice. These are delocalized, and not associated with...

Ionic bonds occur between anions and cations. And cations may be metallic, i.e., $M^(2+)$, or they may be non-metallic, i.e. ammonium salts, $NH_4^+$. And anions, while typically non-metallic, i.e. $X^-$...

The reason as to why metallic posses these properties is because the electrons do not stay in their assigned orbitals, they become delocalised and move all over the place....

In order to have a electrical conductivity, you must have free flowing electrons or a "sea of electrons", however, covalent bonds does not have it as it is the sharing...

Take a simple salt such as $NaCl$. We might represent this as $Na^+Cl^-$. Now in the solid state, each cation ($Na^+$) is directly bound to 6 anions ($Cl^-$), and vice...

The generic ionic solid is $MX$, and consists of equal number of $M^+$ and $X^-$ ions that are held together in a non-molecular, electrostatically bound lattice. The ions are not...

And is proposed to be responsible for (i) the malleability (the ability to be beaten into a sheet), and (ii) the ductility (the ability to be drawn into a wire)...