Abstract In view of the problems of the separation of the essence, the separation of the connection and the neglect of the development goal of “evidence reasoning” literacy in the teaching of ionic bond and covalent bond,by reasoning according to the changing law of metal and nonmetal in the periodic law of elements and searching for evidence to prove or falsify, we can recognize the bonding essence and dialectical unity of the electrostatic action of ionic bond and covalent bond,to develop the core quality of students' evidence reasoning,improve students' logical thinking ability.
LI Xiao-Ming, YE Yue-Juan. Teaching of Ionic Bond and Covalent Bond Highlighting “Essence Connection and Evidential Reasoning”[J]. Chinese Journal of Chemical Education, 2021, 42(5): 34-39.
