1F.3

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Annie Ye
Posts: 106
Joined: Wed Sep 18, 2019 12:22 am

1F.3

Postby Annie Ye » Sun Oct 20, 2019 10:29 pm

Place the following ions in order of increasing ionic radius: S22, Cl2, P32.

Ryan Yee 1J
Posts: 101
Joined: Sat Aug 17, 2019 12:16 am

Re: 1F.3

Postby Ryan Yee 1J » Sun Oct 20, 2019 11:06 pm

All of these ions have a full shell, so its only a matter of how much greater the charge of the nucleus is compared to the amount of electrons. P3- has the largest atomic radius because there is not as much of a difference in charge to hold the same number of electrons, S2- has the second largest and Cl- has the lowest atomic radius due to its higher number of protons pulling in the shell tighter. In general, for periodic trends, the atomic radius of an atom decreases as you move right across a row or up a column.

JohannaPerezH2F
Posts: 94
Joined: Wed Sep 18, 2019 12:18 am

Re: 1F.3

Postby JohannaPerezH2F » Sun Oct 20, 2019 11:11 pm

p^3->s^2->cl^-


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