Respuesta :
First of all energy is exchanged , then the charges get exchanged making the bond formed as neutral .
Valence electrons are exchanged in ionic bonding.
What is ionic bonding?
Ionic bonding is a kind of chemical bonding that occurs when oppositely charged ions in a chemical molecule attract each other via electrostatic attraction.
When one atom donates an electron from its outer shell, known as a valence electron, to another atom, two oppositely charged atoms are produced.
The metal loses electrons to become a positively charged cation in ionic bonding, whereas the nonmetal accepts those electrons to become a negatively charged anion. An electron donor, usually a metal, and an electron acceptor, usually a nonmetal, are required for ionic bonds to form.
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