Day 4 Pre-Class Podia Problem: Electron Configuration and Magnetism

This Podia problem is based on today’s pre-class material; working through that material will help you solve the problem.

Experimental measurements of the attraction of solid iron(III) chloride to a magnetic field can be interpreted to show that Fe3+ ions have five unpaired electrons. A fellow student claims that this shows that the 4s electrons must have been removed when iron atoms ionize. Write a few sentences that confirm or dispute the student’s argument.

Two days before the next whole-class session, this Podia question will become live on Podia, where you can submit your answer.

Comments. If you found any inconsistencies, errors, or other things you would like to report about this module, please use this link to report them. A similar link will be included in each day’s material. We appreciate your comments.


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Chemistry 109 Fall 2021 by John Moore, Jia Zhou, and Etienne Garand is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.