Location of Sigma and Pi Bonds

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Lauryn Shinno 2H
Posts: 59
Joined: Fri Sep 28, 2018 12:24 am

Location of Sigma and Pi Bonds

Postby Lauryn Shinno 2H » Sun Nov 25, 2018 10:10 am

How do you determine where each sigma and pi bond goes?

Sara Flynn 2C
Posts: 60
Joined: Fri Sep 28, 2018 12:23 am

Re: Location of Sigma and Pi Bonds

Postby Sara Flynn 2C » Sun Nov 25, 2018 11:01 am

A sigma bond is always the first bond that two atoms will make and they are overlapping head to head. All of the following bonds that will be made between the same two atoms are pi bonds that overlap side to side.

Imelda Mena 3I
Posts: 51
Joined: Thu Oct 02, 2014 3:00 am

Re: Location of Sigma and Pi Bonds

Postby Imelda Mena 3I » Sun Nov 25, 2018 5:01 pm

Additionally, a sigma bond is a single bond meaning that two atoms share 2 electrons. While a pi bond is a double bond, however it's important you remember that 1 pi bond also has 1 sigma bond. Now if you look at a triple bond, that has 1 sigma bond and 2 pi bonds. Hope that helps!

jocelyntzeng
Posts: 59
Joined: Fri Sep 28, 2018 12:18 am

Re: Location of Sigma and Pi Bonds

Postby jocelyntzeng » Sun Nov 25, 2018 5:29 pm

Yup so a sigma bond is basically when two atoms share 2 electrons, which forms a single bond and a pi bond is a double bond (with on single bond)

Elle_Mendelson_2K
Posts: 72
Joined: Fri Sep 28, 2018 12:28 am

Re: Location of Sigma and Pi Bonds

Postby Elle_Mendelson_2K » Sun Nov 25, 2018 5:51 pm

Will someone explain # 3 b for 2F in the 7th edition?
I got part of the question right, my lewis structure showed that there are 2 pi bonds and 2 sigma bonds, but it says that there is also 1 pi bond and 2 sigma bonds.
Thank you!

Elle_Mendelson_2K
Posts: 72
Joined: Fri Sep 28, 2018 12:28 am

Re: Location of Sigma and Pi Bonds

Postby Elle_Mendelson_2K » Sun Nov 25, 2018 5:51 pm

Will someone explain # 3 b for 2F in the 7th edition?
I got part of the question right, my lewis structure showed that there are 2 pi bonds and 2 sigma bonds, but it says that there is also 1 pi bond and 2 sigma bonds.
Thank you!


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