金属和金属材料属于一类常见的重要化学物质,作为初中化学课程的核心内容之一,这个单元所涉及的知识要点虽然不多,命题方向集中在金属材料在生活中的应用、金属化学性质、金属资源利用与保护等几个方面,由于金属材料紧密联系生活、生产实际,因此该课题内容是中考命题所关注的重要素材之一,金属和金属材料是中考化学必考知识内容,考查点主要在于金属的性质和用途特别是化学性质方面,另外,像金属和金属材料的分类、金属的冶炼、金属的防护与回收再利用等也常在考查之中。请同学们在学习时应有所侧重,分点掌握,各个击 Metals and metal materials belong to a class of common and important chemical substances. As one of the core contents of junior chemistry courses, the key points of knowledge in this module are not too many. The propositional direction focuses on the application of metal materials in life, the chemical properties of metals, Metal resources utilization and protection of several aspects, due to the metal material closely linked to life, the actual production, so the content of the subject is one of the important materials in the senior high school entrance examination questions, metal and metal materials is the exam content of the exam, In the nature and use of the metal, especially the chemical properties, in addition, such as the classification of metals and metal materials, metal smelting, metal protection and recycling are often examined. Please classmates should focus on learning, points to master, all hit