Chemistry Ionic Bonds. Which is the strongest?

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SUMMARY

The strongest ionic bond among the compounds discussed is found in Aluminum Nitride (AlN). While the participant initially considered electronegativity differences, they correctly concluded that ionic bond strength is determined by the charges of the ions involved. The electronegativity differences for the compounds were as follows: Cs2Se (1.6), AlN (1.5), CaI2 (1.5), and KBr (1.9). Ultimately, the charge of the ions, rather than electronegativity, dictates the strength of the ionic bond.

PREREQUISITES
  • Understanding of ionic bonds and their characteristics
  • Knowledge of electronegativity and its role in chemical bonding
  • Familiarity with ion charges and their impact on bond strength
  • Basic chemistry concepts related to ionic compounds
NEXT STEPS
  • Research the concept of ionic bond strength and how it relates to ion charges
  • Study the differences in electronegativity and their implications in chemical bonding
  • Explore the properties of Aluminum Nitride (AlN) and its applications
  • Learn about other factors influencing ionic bond strength beyond electronegativity
USEFUL FOR

Chemistry students, educators, and anyone interested in understanding ionic bonds and their strengths in various compounds.

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Homework Statement


Which has the strongest ionic bond?
Cs2Se
AlN
CaI2
Kbr

Homework Equations



Look at electronegativities

The Attempt at a Solution



I looked at electronegativities and found the differences.
The largest difference was KBr. But apparently, that was wrong. See EN differences below.

Cs2Se: 1.6
AlN: 1.5
CaI2: 1.5
KBr: 1.9

Ionic bond strength increases with increasing change in EN, correct?
What am I doing wrong?
Please advise if you can.
Thanks in advance.
 
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Oh wait. I figured it out. You look at charges, not the EN difference for this part. So, AlN would be the answer.
 

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