If your number is greater than 1.51 then you have an ionic bond (unequal sharing of electrons).

To allow the movement, all ionic bonds along the plane have to be broken.

In the conceptual limit we say the atoms form "ionic" bonds.

Replies: The ionic bond between sodium and chlorine in table salt is pretty strong.

So they make a strong ionic bond in between them to form nucleosome.

How do dyes work, what are the bonds; ionic or covalent?

Because of this problem, some consider it to be an ionic bond.

Some elements, such as oxygen, are able to form both covalent and ionic bonds.

The principle is similar to that of ionic bonds.

Tin and lead also exist in the plus four states, but again, in ionic bonds.