Abstract “Ionization equilibrium constant”is a new content in the new textbook. It is one of the important basic constants in high school chemistry and plays an important role in the basic concepts and theories of chemistry. This paper analyzes the background and intention of the introduction of ionization equilibrium constant in combination with the requirements of the curriculum standard, the compilation of teaching materials, and the discipline thinking methods, and expands the application of ionization equilibrium constant while leading teachers to strengthen the understanding of chemistry, and develops students' core literacy of chemistry.
ZHANG Hong-Jun. Application and Development of Chemical Concept Based on Subject Understanding: Ionization Equilibrium Constant[J]. Chinese Journal of Chemical Education, 2023, 44(9): 108-111.