bound atoms vs separate atoms

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

bound atoms vs separate atoms

Postby Isabel Bellon 4F » Wed Oct 31, 2018 9:43 am

From lecture, Lavelle said that chemical bonds form because bound atoms have lower energy that separate atoms. Could someone explain to me why it's that way?

Yiwen Chen-3G
Posts: 30
Joined: Fri Sep 28, 2018 12:25 am

Re: bound atoms vs separate atoms

Postby Yiwen Chen-3G » Wed Oct 31, 2018 1:11 pm

I think you can think the problem in this way, with the forming of chemical bonds, more electrons are fixed instead of moving freely. So there will be a decrease in energy for a bound atom compared to the separate ones.

Julia Lee
Posts: 80
Joined: Fri Sep 28, 2018 12:29 am

Re: bound atoms vs separate atoms

Postby Julia Lee » Wed Oct 31, 2018 1:16 pm

Bound atoms are more stable because they have a lower potential energy. If atoms are freely moving, they have a greater potential energy and thus are less stable.

Matthew Mar 1J
Posts: 61
Joined: Fri Sep 28, 2018 12:15 am
Been upvoted: 1 time

Re: bound atoms vs separate atoms

Postby Matthew Mar 1J » Sun Nov 11, 2018 4:41 pm

Also, bound atoms often take on formations that fill up their orbitals through the octet guideline. This pairs up electrons and keeps them localised around the atom or molecule which keeps them at lower energy.

Kevin Arokiaraj 4E
Posts: 18
Joined: Wed Nov 15, 2017 3:03 am

Re: bound atoms vs separate atoms

Postby Kevin Arokiaraj 4E » Sun Nov 11, 2018 7:29 pm

Free moving atoms tend to be more unstable because they have a higher potential energy. As such, bound atoms are more stable because their potential energy is lower.

Elizabeth Kim 4E
Posts: 60
Joined: Fri Sep 28, 2018 12:29 am

Re: bound atoms vs separate atoms

Postby Elizabeth Kim 4E » Thu Nov 29, 2018 1:56 am

Free moving atoms have more potential energy therefore are more unstable. Bound atoms have less potential energy because they are bound, so they are more stable than the free moving atoms.


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