Covalent Bonds  [ENDORSED]

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madisondesilva1c
Posts: 91
Joined: Fri Sep 28, 2018 12:16 am

Covalent Bonds

Postby madisondesilva1c » Tue Nov 06, 2018 2:41 pm

How can one distinguish between polar covalent bonds and other forms of covalent bonds. Is there exceptions on the periodic table that would seemingly have a covalent bond but instead form ionic bonds?

marisaimbroane1J
Posts: 69
Joined: Fri Sep 28, 2018 12:23 am

Re: Covalent Bonds  [ENDORSED]

Postby marisaimbroane1J » Tue Nov 06, 2018 5:31 pm

If the difference in electronegativity is greater than or equal to 0.4, a polar covalent bond is formed. If the difference in electronegativity is less than 0.4, a non-polar covalent bond is formed. An ionic bond is formed when the difference in electronegativity is greater than or equal to 1.8.

Isabel Bellon 4F
Posts: 30
Joined: Fri Sep 28, 2018 12:27 am

Re: Covalent Bonds

Postby Isabel Bellon 4F » Thu Nov 08, 2018 10:20 am

It might also be helpful to think of nonpolar covalent bonds occurring with diatomic molecules (ex: H-H) as the electronegativity would equal 0, while polar covalent bonds occur with two different nonmetal elements


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