What's in this issue?

The links are provided to selected articles. Subscribe and get everything in future issues.

If you are a subscriber, e-mail us and we can get you a copy of any of the missing articles.

  • A Valentine’s Day quiz (PDF) by Jean Hein (cover) - students have to identify the elements or compounds on candy hearts along with describing their role in Valentine’s Day. Have your students determine the type of bonding in each, including intra- and intermolecular bonding for the molecules, and predict the physical properties of each substance.
  • Book review, A World on Fire – A Heretic, an Aristocrat, and the Race to Discover Oxygen; author Joe Jackson (page 2) - Lyle Sadavoy reviews this book about Joseph Prietley and Antoine Laurent Lavoisier’s quest to produce and characterize oxygen. Lyle states that A World on Fire is an excellent source of information into the lives and scientific careers of two very famous chemists and it can provide the background for numerous applications to any general science or chemistry course.
  • Obituary: John Capindale (PDF) (page 3) - John was a member of the Chem13 News’ Editorial Board for nearly 30 years.
  • 2008 Chem13 News and Avogadro Exams (page 4) - Have your students enter these yearly chemistry competitions.
  • Chemical explorations – Valence shell electron pair repulsion (VSEPR) by Pat Ruff (page 5) - this demonstration using magnetic disks and an overhead. It is a good way to introduce how the shapes of molecules are determined.
  • Science reeducation (page 5) - this page is maintained by Alistair B. Fraser in an attempt to sensitise teachers and students to examples of the bad science often taught in schools, universities, and offered in popular articles and even textbooks.
  • Canadian Chemistry Contest Announcement by François Gauvin (page 6) - Visit Chemical Institute of Canada.
  • An empirical formula question from 2007 Canadian Chemistry Contest (PDF) by Leslie Barton (page 6-7) - Leslie gives an example of the determination of an empirical formulae of two molybdenum oxides. The data for the question is presented in graphical form – along with the solution.
  • Microscale containers by Don Kosterman (page 8) - Don outlines ideas and sources for microscale containers.
  • What’s in a name? (reprinted from Chem13 News January 1989, page 8) by Ivan Cammelli (page 10) - Ivan gives some fun alternative names to common things. For example: car, 4-cylindrico-intercombusto-dynopropulsor; girl, 36-24-36-andverynice(II).
  • An understanding minicrostic (PDF) (page 11) - this is a small crostic to get you started on the road to becoming a crostic addict.
  • JChemEduc review (pages 12-13) - Lew reviews June 2007 to November 2007 issue of the Journal of Chemical Education.
  • For new teachers: Accuracy and precision of data by Herb Deruyter (pages 15-17) - this article contains a student-ready lab with background information for teachers.
  • Polyatomic ion su-chem-du (PDF) (page 10) - let your students have a little fun while writing out polyatomic ions.
  • Cartoons are by Richard M. Furlough (page 3) (PDF), Nick Kim (page 17).