Valencies Table

This application will help you to memorize the oxidation states of the elements of the periodic table, as well as their symbols and nomenclature

It is ideal for the formulation of chemical compounds of the secondary education level in the subject of inorganic chemistry

Contains color chips to speed up the memorization of oxidation numbers and valences

Now we include a practice section, so you can learn while playing

The classification of the elements by their nature (metals, metalloids, non-metals) and the groups they form (noble gases, alkaline gases, etc.) is included.