ch.2.1



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Leslie Contreras 1D
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Joined: Fri Apr 06, 2018 11:02 am

ch.2.1

Postby Leslie Contreras 1D » Sun Apr 22, 2018 8:12 pm

I don't get the very first sentence, " An electron in an atom is like a particle in a box, in the sense that it is confined within the atom by the pull of the nucleus "
How are e- confined?

Chem_Mod
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Re: ch.2.1

Postby Chem_Mod » Sun Apr 22, 2018 8:14 pm

The nucleus is positively charged by protons. electrons are negatively charged. So, it takes tremendous amount of energy to try to pull electrons away from the nucleus. Thus, it is essentially confined to certain distance away from the nucleus.

Valeria Viera 1B
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Re: ch.2.1

Postby Valeria Viera 1B » Sun Apr 22, 2018 8:16 pm

I think what it means is that e- are pulled by the nucleus and therefore can't escape I suppose? Like a particle that is stuck inside a box.

Chem_Mod
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Re: ch.2.1

Postby Chem_Mod » Sun Apr 22, 2018 8:37 pm

It can escape, but you need to supply a sufficiently large enough energy to overcome the barrier (wall of a box)

Liliana Rosales 1E
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Re: ch.2.1

Postby Liliana Rosales 1E » Sun Apr 22, 2018 8:54 pm

Chem_Mod wrote:It can escape, but you need to supply a sufficiently large enough energy to overcome the barrier (wall of a box)

I had the same confusion, this was helpful. Thank you.

Myles Chang 1B
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Re: ch.2.1

Postby Myles Chang 1B » Sun Apr 29, 2018 8:04 pm

Electrons are found in orbitals surrounding the nucleus. The positive charge of the protons in the nucleus attracts the negatively charged electrons.


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