The concept of electronegativity introduced by Linus Pauling, a great American chemist, in the 1930s refers to the ability of an atom to attract electron density. In a chemical bond, the more ...

But with silver iodide, the difference in electronegativity is only 0.49, which means that silver and iodine are quite happy together (strong bond) and don't feel the need to go ion swapping like the ...