Interactive approach to a training material is more effective than classical. Its studying begins with the Periodic Table.
The chemistry falls into to number of the most important sciences and is one of the main school objects. You will learn a lot of new and useful for yourself, no matter you are a schoolboy, student, engineer, housewife or a person of any other provisions that does not have a refresher to Chemistry.
In the Periodic Table application you will find a huge amount of data about chemical elements for free.
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