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Do you know the value (price) of chemical elements? The APP only provides the price of chemical elements and does not offer any way to buy them.
The APP aims to let users know the symbols of chemical elements, as well as the unit price of chemical elements.
1. Learn chemical elements through doodling and understand the scope of application;
2. Learn chemical elements and understand the unit price of chemical elements through question-and-answer.
The above methods are free for users to learn and understand chemical elements.