SAT2化学：常用知识点集锦

课窝官网的小编今天向大家介绍一下关于SAT2化学考试的常用知识点，希望能给留学的同学有所帮助。

　　1、Structure of Matter(物质的结构)

　　Atomic Structure, including experimental evidence of atomic structure, quantum numbersand energy levels (orbitals), electron configurations,periodic trends,nuclear chemistry　Molecular Structure, including Lewis structures, three-dimensional molecular shapes, polarity　Bonding, including ionic,covalent and metallic bonds;relationships of bonding to properties and structures; intermolecular forces such as hydrogen bonding,dipole-dipole forces, dispersion (London) forces

　　会出21-22道题

　　2、States of Matter(物质的状态)

　　Gases, including the kinetic molecular theory, gas law relationships, molar volumes, density and stoichiometry　Liquids and Solids, including intermolecular forces in liquids and solids, types of solids,phase changes and phase diagrams　Solutions, including molarity and percent by mass concentrations, solution preparation and stoichiometry,factors affecting solubility of solids, liquids and gases,qualitative aspects of colligative properties

　　会出13-14道题

　　3、Equilibrium and Reaction Rates(平衡和反应率)

　　Including factors affecting position of equilibrium (Le Chatelier’s principle)in gaseous and aqueous systems,equilibrium constants, and equilibrium expressions, Factors affecting reaction rates, potential energy diagrams, activation energies

　　会出4-5道题

　　4、Reaction Types(反应类型)

　　Acids and Bases, including Brosted-Lowry theory, strong and weak acids and bases, pH, titrations,indicators　Oxidation-Reduction, including recognition of oxidation-reduction reactions, combustion, oxidation numbers, use of activity series　Electrochemistry　Precipitation, including basic solubility rules

　　会出11-12道题

　　5、Stoichiometry(化学计量学)

　　Mole Concept, including molar mass, Avogadro’s number, empirical and molecular formulas, Chemical Equations, including the balancing of equations, stoichiometric calculations,percent yield and limiting reactants

　　会出11 – 12道题

　　6、Thermochemistry(热化学)

　　Including conservation of energy, calorimetry and specific heats, enthalpy(heat) changes associated with phase changes and chemical reactions,heating and cooling curves,entropy

　　会出5-6道题

　　7、Laboratory Knowledge(实验室的知识)

　　Including knowledge of laboratory equipment, measurements, procedures, observations, safety,calculations, data analysis, interpretation of graphical data, drawing conclusions from observations and data

　　会出6-7道题

　　8、Descriptive Chemistry(描述性化学)

　　Including common elements,nomenclature of ions and compounds, periodic trends inchemical and physical properties of the elements, reactivity of elements and prediction of products of chemical reactions, examples of simple organic compounds and compounds of environmental concern

　　会出10-11道题

　　注意

　　纵观近几年SAT2化学的出题趋势不难看出反应平衡/速率以及计量学比重有所增加，这方面的知识点建议考生们多加关注一下。

以上就是今天要分享的精彩内容了，获取更多的SAT考试资料、SAT阅读、SAT写作以及SAT数学都可以随时关注我们，我们将会给大家带来更多的优质内容。