Covalent Bonds

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America Ramirez 3H
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Covalent Bonds

Postby America Ramirez 3H » Sun Oct 25, 2020 10:11 pm

How can you determine which one is stronger, out of ionic, covalent and hydrogen?

Natalie 3k
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Re: Covalent Bonds

Postby Natalie 3k » Sun Oct 25, 2020 10:22 pm

Hydrogen bonds are the weakest, and I believe ionic bonds tend to be stronger than covalent because of the different charges on the ions and the electronegativity differences, except when placed in water or some solution covalent bonds are stronger.

Valerie Tran 2B
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Re: Covalent Bonds

Postby Valerie Tran 2B » Sun Oct 25, 2020 10:27 pm

In order of greatest strength to least strength, it goes: ionic, covalent, hydrogen

The reason ionic bonds tend to be stronger than covalent bonds is due to the coulombic attraction between ions of opposite charges. An electron is "taken" from one atom by another atom.

In covalent bonds, an electron is shared between two atoms and will often favor one atom due to polarity which is why it isn't as strong as ionic bonds(unless in water or other special cases)

hydrogen bonds are the weakest

a good way to see this is the boiling points of different compounds, the higher the boiling point is, the more energy required to break apart the bonds which means they are stronger

Bai Rong Lin 2K
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Re: Covalent Bonds

Postby Bai Rong Lin 2K » Sun Oct 25, 2020 11:29 pm

America Ramirez 3H wrote:How can you determine which one is stronger, out of ionic, covalent and hydrogen?

Hydrogen is the weakest out of the three, and I believe covalent and Ionic are both strong depending on its environment

Heidi Buri 2I
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Re: Covalent Bonds

Postby Heidi Buri 2I » Sun Nov 01, 2020 2:19 pm

Covalent bonds are the strongest out of the three. This is because of the stability of the bond due to electrons being shared between atoms. Ionic bonds form differently than covalent bonds. Ionic bonds usually form between atoms that differ greatly in electronegativity. Both ionic and covalent bonds are stonier than hydrogen bonds because they involve either sharing or taking an electron. Hydrogen bonds on the other hand are forming due to partial negative/positive charges of molecules.

Serena Song 1A
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Re: Covalent Bonds

Postby Serena Song 1A » Sun Nov 01, 2020 4:17 pm

Within the context of this class, covalent bonds are generally stronger than ionic bonds, but it can depend on the environment. For example, within a solution, ionic bonds are weaker than covalent bonds. Since many of the chemical reactions in biology involve solutions, we consider covalent bonds to be the strongest of the three in this class. Hydrogen bonds are the weakest of the three bonds.

Brian_Wu_3B
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Re: Covalent Bonds

Postby Brian_Wu_3B » Sun Nov 01, 2020 5:00 pm

So which one is it? Is ionic or covalent stronger? There are differing answers here.

Mrudula Akkinepally
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Re: Covalent Bonds

Postby Mrudula Akkinepally » Sun Nov 01, 2020 5:03 pm

It takes more energy to pull apart ionic bonds than covalent bonds. Therefore, ionic bonds are stronger.

Pranav Daggubati 3C
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Re: Covalent Bonds

Postby Pranav Daggubati 3C » Sun Nov 01, 2020 5:37 pm

Hydrogen is weakest with covalent and ionic stronger based on the environment they are in. Ionic bonds tend to dissolve in solution, making them extremely weak then, but they are very strong otherwise

reyvalui_3g
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Re: Covalent Bonds

Postby reyvalui_3g » Sun Nov 01, 2020 6:51 pm

Brian_Wu_3G wrote:So which one is it? Is ionic or covalent stronger? There are differing answers here.

Ionic bonds are for sure stronger than covalent bonds.


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