论文部分内容阅读
为了帮助学生建立空间构型的概念,中学化学教学中常以分子的结构式为基础制作成棍棒模型,用以增强共价键的直观性。但是棍棒
In order to help students establish the concept of spatial configuration, in middle school chemistry teaching, a stick model is often made based on the structural formula of molecules to enhance the intuitiveness of covalent bonds. But sticks