-Scientists use the percent ionic character of a bond to find out the difference between an ionic bond and polar covalent bond.

-% ionic character of a bond= (measured dipole moment of X^-Y) / (calculated dipole moment of X ⁺ Y^-) x 100%

-Ionic character increases with the electronegativity difference.

-Between discrete pairs of atoms, there are no bonds that are considered ionic solids.

-Compounds with more than 50% ionic character are usually considered ionic solids.

-If a compound conducts an electric current after it’s been melted, it’s considered ionic.

 

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Partial Ionic Character of Covalent Bonds