Ionic Bonds vs Covalent Bonds

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kellyz_1C
Posts: 33
Joined: Fri Apr 06, 2018 11:05 am

Ionic Bonds vs Covalent Bonds

Postby kellyz_1C » Wed Jun 06, 2018 12:34 pm

In biology, we learned that covalent bonds are stronger than ionic bonds, but in chemistry, it is the opposite. How can this be?

Jack Martinyan 1L
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Joined: Thu Feb 22, 2018 3:00 am
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Re: Ionic Bonds vs Covalent Bonds

Postby Jack Martinyan 1L » Wed Jun 06, 2018 1:26 pm

Ionic bonds tend to be stronger than covalent bonds due to the coulombic attraction between ions of opposite charges

LilianKhosravi_1H
Posts: 32
Joined: Fri Apr 06, 2018 11:03 am

Re: Ionic Bonds vs Covalent Bonds

Postby LilianKhosravi_1H » Wed Jun 06, 2018 1:43 pm

I think that's because in Bio we talked about how covalent bonds can't be broken in water but ionic bonds can.

Isabelle De Rego 1A
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Joined: Fri Apr 06, 2018 11:02 am

Re: Ionic Bonds vs Covalent Bonds

Postby Isabelle De Rego 1A » Wed Jun 06, 2018 3:14 pm

In bio the bonds that we are talking about are usually occurring in water or some type of solution. It is because of the properties of water that make covalent bonds stronger than ionic bonds. Ionic molecules such as NaCl easily dissolve in water, but bonds with more covalent properties don't dissolve as easily.

Jacqueline Duong 1H
Posts: 61
Joined: Fri Sep 28, 2018 12:28 am

Re: Ionic Bonds vs Covalent Bonds

Postby Jacqueline Duong 1H » Sun Oct 28, 2018 4:43 pm

To add on, basically covalent bonds are stronger than ionic bonds in aqueous solutions, whereas ionic bonds are stronger in non-aqueous solutions.

Rhea Churi 4K
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Joined: Fri Sep 28, 2018 12:28 am

Re: Ionic Bonds vs Covalent Bonds

Postby Rhea Churi 4K » Sun Oct 28, 2018 5:05 pm

Ionic bonds also tend to make lattice structures that are very hard to break, making the bond stronger.

Ashley Kim
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Re: Ionic Bonds vs Covalent Bonds

Postby Ashley Kim » Sun Oct 28, 2018 5:16 pm

It depends on both the type of ionic or covalent bonds. It's also important to remember that no bonds are truly ionic or covalent. All charges are shared to a degree. In ionic bonds, the charges are more unequally distributed than those on covalent bonds.

Connie Chen 3D
Posts: 31
Joined: Mon Jan 08, 2018 8:12 am

Re: Ionic Bonds vs Covalent Bonds

Postby Connie Chen 3D » Sun Oct 28, 2018 6:56 pm

Biology, being the study of organisms, is focused on the life processes in organisms. For the most part, organisms are made up of mostly water and thus the focus of biological chemical reactions are ones that occur in an aqueous environment. Ionic bonds are indeed stronger because of equal sharing of electrons, but they are easily broken apart in water. As a result, covalent bonds are seen as stronger in Biology because biological equations mostly focus on water.


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