Is there any junior high school chemistry book published in 2012? A mind map is a structural diagram used to help a learner understand chemistry concepts and skills. It is composed of basic chemical concepts and relationships and uses arrows to indicate the connections between them. This kind of chart could help the learner better remember and understand the chemical concepts and relationships. In the middle school chemistry section, there was a book called "Middle School Chemistry"(Middle School Chemistry) that was published in 2012. This book contained the teaching content of junior high school chemistry, including the basic concepts of chemistry, chemical equations, the periodic table of elements, the classification of substances, chemical reactions, and so on. Therefore, it could be said that "Junior High Chemistry" was one of the books that contained the ability mind map.