How is the electronegativity difference used in determining the type of bond that occurs between two atoms?If the difference is between 0 and 1.7, it is polar covalent. If the difference is zero,...

How is the electronegativity difference used in determining the type of bond that occurs between two atoms?

 

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govindan's profile pic

Posted on

The first three statements are correct.

Since it is the relative tendency of an aom to attract the bonded electron pair to itself, the electronegativity values are considered as positive values.

example:  electronegativity values of F = +4, H = 2.1, O = 3.5, Cl = 3.5  and Na = 0.9 etc.

Ofcourse the differences can be negative. Example the difference in electronegativity values of O and H = + 1.4

But the difference in electronegativity values of H and O = - 1.4.

So the fourth statement should be corrected as follows:

If the difference is between zero and - 1.7 then also the bond is considered as polar covalent compound.

The fifth statement is corrected as:

If the difference is greater than 1.7 it is considered as ionic bond

hannahbannna's profile pic

Posted on

The first three answers are correct.

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