化学基本概念是整个化学基础知识的基础，它把元素及其化合物知识、计算、实验等有机结合成一个整体。它是推理的依据，又是解题的基础。掌握化学基本概念是学好化学的关键。在复习化学基本概念时一般应注意：一、抓住关键，把握本质复习化学概念时，同学们不能只满足于流畅地 The basic concept of chemistry is the foundation of the entire chemical basic knowledge. It integrates the knowledge of elements and their compounds, calculations, and experiments into a whole. It is the basis for reasoning and the basis for problem solving. Mastering the basic concept of chemistry is the key to learning chemistry. When reviewing the basic concepts of chemistry, it should generally be noted that: First, seize the key, grasp the essence of the review of the concept of chemistry, the students can not only be satisfied with fluently