In this course, and following the previous chapter with Indium and Tantalum scarcity, we are now going to discover the actual situation of other chemical elements at risk, such as Lithium and Helium.

Because there is not a planet B, in this course we will investigate how limited are our resources. 

In this course, you can discover and predict the most fashionable periodic properties.

In this course students will learnt to classify the different kinds of chemical reactions.

Introduction to chemical reactions in a mistery way, allowing students to achieve their own conclusions.