A new event called "The Mole"was unveiled at BCCE 2018. I told the story of how one of my students discovered how to make marshmallows spark in the microwave oven.
Changing the Landscape of Chemical Education The December 2013 issue of the Journal of Chemical Education is available online to subscribers at http://pubs.acs.org/toc/jceda8/90/12. This issue of JCE plus the content of all past issues, volumes 1 through 90, are available to subscribers at http://pubs.acs.org/jchemeduc.
The electrical conductivity apparatus circuit is completed by distilled water, a liquid covalent compound.
The electrical conductivity apparatus is shorted out with a screwdriver to show the maximum brightness of its detector.
The electrical conductivity apparatus circuit is completed by ethylene glycol, a liquid covalent compound.
This animated schematic shows the electrical conductivity apparatus being shorted out with a screwdriver.