Electron Shielding

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Louis Zhao 4C
Posts: 30
Joined: Sun Oct 07, 2018 12:17 am

Electron Shielding

Postby Louis Zhao 4C » Sun Oct 21, 2018 7:40 pm

Can someone explain to me what electron shielding is and why electrons further away from the nucleus is less attractive.

Yiting_Gong_4L
Posts: 69
Joined: Fri Sep 28, 2018 12:25 am

Re: Electron Shielding

Postby Yiting_Gong_4L » Sun Oct 21, 2018 7:47 pm

I remember during lecture he explained electron shielding in a camping scenario. If you are sitting by a fire and someone walks in between you and the fire then you will feel less heat. Same scenario applies to electron shielding in that further electrons feel “less heat” or “less attraction” to the nucleus. It is being blocked or shielded by the electrons in the inner shell.

Ronak Singh
Posts: 31
Joined: Fri Sep 28, 2018 12:16 am

Re: Electron Shielding

Postby Ronak Singh » Sun Oct 21, 2018 9:49 pm

Electrons further away from the nucleus are bound less tightly to the nucleus because the effective nuclear charge is reduced because of the distance between the nucleus and the electron, and because electrons that are closer to the nucleus "shield" or block some of the positive charge of the nucleus from reaching the outer electrons.


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