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Describe why MgCl2 is considered ionic when the difference of Mg and Cl electronegativity is 1.8,...

Describe why MgCl2 is considered ionic when the difference of Mg and Cl electronegativity is 1.8, and ionic compounds have an EN difference of 2.0 or more.

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Answer #1

=> The electronegativity difference between the two elements involved is used to predict what type of bond will form in a compound.

=> If the electronegativity difference is greater than 1.7, the bond will be ionic.

=> If the electronegativity difference is between 0.5 and 1.7, the bond is polar covalent.

=> If the electronegativity difference is below 0.5, the bond will be non-polar covalent.

=> In MgCl2, the electro negativity is 1.8 which is greater than 1.7. So it has ionic.

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