Chemistry Ionic Bonds. Which is the strongest?

In summary, an ionic bond is a strong chemical bond formed between a metal and a nonmetal through the transfer of electrons. It differs from a covalent bond, which is formed between two nonmetals through the sharing of electrons. The strength of an ionic bond is determined by the difference in electronegativity and the size and charge of the ions involved. While ionic bonds are strong, they can be broken through dissociation when exposed to certain substances.
  • #1
name_ask17
146
0

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.
 
Physics news on Phys.org
  • #2
Oh wait. I figured it out. You look at charges, not the EN difference for this part. So, AlN would be the answer.
 

1. What is an ionic bond?

An ionic bond is a type of chemical bond that forms between a metal and a nonmetal. In this bond, one atom loses an electron to another atom, resulting in the formation of positive and negative ions that are attracted to each other.

2. How is an ionic bond different from a covalent bond?

An ionic bond is formed between a metal and a nonmetal, while a covalent bond is formed between two nonmetals. In an ionic bond, electrons are transferred from one atom to another, whereas in a covalent bond, electrons are shared between atoms.

3. What makes an ionic bond strong?

An ionic bond is strong because of the strong electrostatic attraction between the positively and negatively charged ions. The greater the difference in electronegativity between the two atoms, the stronger the ionic bond will be.

4. How do you determine which ionic bond is the strongest?

The strength of an ionic bond depends on the charge and size of the ions involved. Generally, the smaller and more highly charged the ions, the stronger the ionic bond will be. For example, the bond between two +2 ions will be stronger than the bond between a +1 and a -1 ion.

5. Can an ionic bond be broken?

Yes, an ionic bond can be broken through the process of dissociation, where the ions are separated from each other. This can occur when the substance is dissolved in water or exposed to other substances that can interact with the ions.

Similar threads

Chemistry How do we know ##BF_3## has Lewis structure but ##Al_2S_3## does not?
    • Biology and Chemistry Homework Help
Replies
1
Views
629
Which are stronger - ionic or covalent bonds?
    • Biology and Chemistry Homework Help
Replies
4
Views
5K
What is the exact definition of an octahedral hole in an ionic solid?
    • Chemistry
Replies
2
Views
842
Polarity and solubility of AgCl
    • Chemistry
Replies
7
Views
7K
High School Students: Chemistry, Ionic/Covalent Bonds, Urea & Hydroxyurea
    • Chemistry
Replies
3
Views
1K
Which Type of Bond is Strongest in Chemistry?
    • Chemistry
Replies
1
Views
2K
Stability of Sulfides: Lewis Acid-Base Covalent Bonding
    • Biology and Chemistry Homework Help
Replies
1
Views
2K
Electropositivity - 2nd opinion needed
    • Biology and Chemistry Homework Help
Replies
1
Views
1K
What Are the Key Differences Between Ionic and Covalent Bonds?
    • Biology and Chemistry Homework Help
Replies
4
Views
5K
Background study of molecular/atomic bonds needs clarification
    • Introductory Physics Homework Help
Replies
2
Views
2K

Hot Threads

Recent Insights

Back
Top