Ionic Bonds
In Ionic Bonds, a metal gives electrons to become a positively charged cation and a nonmetal accepts those electrons to become a negative Ion. This happens because ataoms want to gain stabilty and reach a noble-gas like configuration that follow the octect rule (eight valence electrons in the outer most ring). Metals that have more than eight valence electrons would give the necessary ones to achieve stability, like sodium which has 9.
For example: Na has 1 valence electron and Cl has 7 but when they bond Ionically, they will both have eight valence electrons and in this case create NaCl: Sodium Chloride.
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