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Which bond has the greatest ionic character?

Which bond has the greatest ionic character?

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This question is part of Chemistry Regents Prep #1
Asked by Esthomas, Last updated: Jan 21, 2020

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4 Answers

C. Perez

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C. Perez, Writer, Writer, Cleveland

Answered Aug 01, 2019

The correct answer to this question is H-F. To find this, we can subtract the electronegativity of H and F. H's electronegativity is 2.1. F's electronegativity is 4. When we solve for 4 - 2.1, we get 1.9. Keeping that number in mind, we need to identify what makes an ionic bond and it is when the difference is higher than 1.7.

Being that the difference between H-F exceeds 1.7, H-F would have the greatest ionic bond. Along with having a difference higher than 1.7, other facts about ionic bonds include that the bondinc occurs between a metal and a nonmetal.

 

H. Jones

H. Jones, Web Content Writer, San Antonio,

Answered Jul 11, 2018

H-F is the most ionic out of all the choices available. This is because when the differences are computed, this has the greatest electronegativity difference. Take note that only those with differences that are 1.7 and higher are considered to be ionic.

A perfect ionic bond needs to have 100% ionic bond character. A covalent bond is the opposite of an ionic bond. Covalent bonds usually involve the sharing of different electron pairs. Usually, it is the electrons that are shared/arranged between the different atoms.

 

John Adney

John Adney

Answered Apr 03, 2017

See table s, h has an electronegativity of 2.1 and f has an electronegativity of 4.0. Subtract the two values and the difference is 1.9. Ionic bonds have differences of 1.7 or greater. Find the electronegativity differences for the other choices. H--f has the greatest difference and is the most ionic of the choices
 

John Smith

John Smith

Answered Jan 23, 2017

See Table S, H has an electronegativity of 2.1 and F has an electronegativity of 4.0. Subtract the two values and the difference is 1.9. Ionic bonds have differences of 1.7 or greater. Find the electronegativity differences for the other choices. H--F has the greatest difference and is the most ionic of the choices
 

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