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在近几年的江苏高考化学试卷中,物质结构的知识比较重要.一般会考查2个题目,1个选择题和1个填空题.本文讨论了物质结构知识的重要考点,希望起到抛砖引玉的作用.考点一原子的基本结构考点解读此考点主要考查原子中质子数、中子数、电子数以及三者的关系,同位素、核素、元素以及三者的关系等,经常用到两个基本等式:质子数=核电荷数=原子序数=原子核外电子数,质量数=质子数+中子数.而
In recent years, Jiangsu Chemical Entrance Examination papers, the material structure of the more important knowledge.General will examine two questions, a multiple choice questions and a fill in the blank.This article discusses the important material knowledge of the test sites, hoping to play a pioneering role The role of the test site of a basic structure of the atom interpretation of the test site This test examines the proton number of protons, neutrons, electrons and the relationship between the three isotopes, nuclides, elements and the relationship between the three, often used two basic Equation: Proton number = nuclear charge number = atomic number = number of extranuclear electrons, mass number = number of protons + number of neutrons, and