Edexcel IAL AS Chemistry Trainer
V1 · generated 2026-05-08 · based on local Pearson Edexcel IAL specification, AS teacher notes, Edexcel AS/Year 1 textbook topic order, and recent WCH11/WCH12/WCH13 mark-scheme keyword hits.
考试定位：International AS Chemistry = Unit 1 WCH11, Unit 2 WCH12 and Unit 3 WCH13. Unit 1/2 are 1 h 30 min written papers, 80 marks each; Unit 3 is Practical Skills in Chemistry I, 1 h 20 min, 50 marks.
训练打法：先按 Unit / Topic 刷核心采分点，再用“薄弱点优先”回收错题。填空模式会按关键词粗检；最终仍以 mark scheme 的完整 wording 和题目语境为准。
Sources Used
Specification: Pearson Edexcel International Advanced Subsidiary/Advanced Level Chemistry.
Textbook alignment: Edexcel AS/Year 1 sequence from atomic structure, bonding, redox and organic foundations through energetics, kinetics, Group chemistry, halogenoalkanes, alcohols and practical skills.
Teacher notes: EDX_Teacher U1-10 知识点总结 v8.
Past papers/MS: local WCH11 / WCH12 / WCH13 QP and RMS/MSC files, with keyword-hit frequency shown per card.
薄弱点汇总
| Topic | 错/薄弱 | 练习 | 优先复习 |
|---|
Answer Bank / 高频优先表
Frequency 是在本地 recent WCH11-13 mark-scheme 文本中的关键词命中比例，不等于精确题号频率；0 hit 的卡片通常来自 syllabus / 教师讲义基础点。
| Freq | Unit | Point | MS-ready answer | Source hits |
|---|