元素化合物专题复习初探山东省安丘市第一中学特级教师曹洪昌元素化合物知识是中学化学的重要组成部分。近几年来，对元素化合物知识考查的份量逐年增加，要求逐步提高。从１９９０～１９９７年有关考查元素化合物知识的试题统计（略）中可以看出：①采分值：考查元素化合... Elemental Review of Elemental Compounds Cao Hongchang, Special Teacher, No. 1 Middle School, Anqiu, Shandong Province Elemental compound knowledge is an important part of middle school chemistry. In recent years, the amount of knowledge on the knowledge of elemental compounds has increased year by year, requiring a gradual increase. From 1990 to 1997, the examination statistics for examining the knowledge of elemental compounds (abbreviated) can be seen as follows: 1The score: the examination of elemental composition...