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JCE 93.11 November 2016 Issue Highlights

Mary Saecker | Tue, 11/08/2016 - 11:54
Journal of Chemical Education November 2016

Analytical Thinking, Analytical Action

The November 2016 issue of the Journal of Chemical Education is now available online to subscribers. Topics featured in this issue include: electrochemistry; researching how assessment aids learning; using technology to teach; environmental chemistry; hands-on, minds-on activities and demonstrations; geology-inspired chemistry.

Chemical Mystery #8: Go Blue!

Tom Kuntzleman | Fri, 11/04/2016 - 13:36
Go Blue!

Addition of a white solid to a green solution causes the solution to separate into some truly beautiful colors...

Demonstrating the Colors of Transition Metal Complex Ions

Lowell Thomson | Tue, 02/24/2015 - 08:15

Just the other day within my IB Chemistry HL classes, we were discussing the color of transition metal complex ions in solution. It's a bit imperfect, because they are not yet dissolved, but I set up a number of metal chloride salts in order to help students see the pattern. They are arranged according to the position of the metal in the periodic table. It ends up being quite obvious to the students that the only metal salts with color are in the d-block. I'm now in the process of ordering more chloride salts so I can complete the pattern even more the next time I teach this topic.