Category: General Chemistry

Impara i concetti base sulle soluzioni e sulle concentrazioni: percentuale in massa, molarità, normalità etc.

Learn the basics of solutions and concentrations: mass percent, molarity, normality, etc.

In this article we learn the basics of chemical kinetics: definition of mean speed and instantaneous speed; kinetic law with exercises.

In this article we are going to learn what is an atom, how is made. Moreover we will learn also what are ions and isotopes.

In this article, we are going to learn what chemistry studies, what are the matter, substance and elements and compounds.

Here you can read everything about VSEPR, You can find also our tables, which sum up all the possible cases and our flowchart.

Are Lewis Structures an issue? Here you can find 5 done exercises about Lewis Structures You can also read our previous article about Lewis Structures to discover the rules used for doing these exercises. Do you need to practise more ? You can find other 5 done exercises in the pdf or docx files below.

Learn how to draw Lewis structures with our simple 4+2 rules—clear and easy to follow.