Which Ion is larger?

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Michelle Fu 1H
Posts: 35
Joined: Fri Sep 28, 2018 12:19 am

Which Ion is larger?

Postby Michelle Fu 1H » Sun Nov 04, 2018 5:13 pm

Which ion would be bigger, O^- or S^2-? I would've thought that O- is smaller due to it having less electrons but what about S^-2 having more protons, and thus having a larger charge?

whitney_2C
Posts: 74
Joined: Fri Sep 28, 2018 12:28 am

Re: Which Ion is larger?

Postby whitney_2C » Sun Nov 04, 2018 5:26 pm

O^- would still be smaller because S^2- has a third shell which is significantly larger than O's 2nd shell.

spark99
Posts: 30
Joined: Fri Sep 28, 2018 12:18 am
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Re: Which Ion is larger?

Postby spark99 » Sun Nov 04, 2018 5:27 pm

S^-2 is bigger because it has more electrons that is free to move around more.


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