Under which of the following conditions is the A-B bond considered to be ionic?

A) when A and B have the same electronegativity
B) when the difference between the electronegativities of the atoms is 1.0
C) when the difference between the electronegativities of the atoms is 1.5
D) when the difference between the electronegativities of the atoms is 2.0


D

Environmental & Atmospheric Sciences

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