Articles

Detection of Nickel Cations in Coins

It is not known why people develop allergies to nickel and there is no cure. The best course of action to prevent an allergic reaction is to avoid contact with products containing nickel. This article will explain how to make an easy and cheap nickel detection device that will limit or eliminate the risks of exposure to sources of nickel using some interesting classic chemistry. 

Welcome from Two Year College Editor

My name is Scott Donnelly, editor for the Two Year College (TYC) component of ChemEd Xchange. This is my first of what likely will be many contributions over the coming years. Since this is my inaugural post as the TYC editor perhaps I should let you all know a bit about myself and my educational philosophy.

Element of the Month - Nitrogen

In honor of the International Year of the Periodic Table: A familiarity with the chemistry of some of the elements more commonly encountered in everyday life is a valuable learning experience for all students. Nitrogen is the third in this series of elements to be discussed as part of the Element of the Month program. #IYPT