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General Chemistry

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Chemical Bonding

Question
11 out of 13
 

Which of the following types of bonds has the least electronegativity difference between the bonding atoms?

A Ionic bond
B Polar covalent bond
C Nonpolar covalent bond
D Cannot be predicted without the actual electronegativity data.
Ans. C An ionic bond is formed mainly when there is a noticeable electronegativity difference between the atoms. Usually ionic bonds have the highest electronegativity difference. Choice A is incorrect. Covalently bonded atoms have lesser electronegativity difference. Among Choices B and C, nonpolar covalent bonds obviously have the least electronegativity difference. So our answer is C. Choice D is not true in this case. We do not need any more data to predict this general trend.

Chemical Bonding Flashcard List

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