The Periodic Table
Review the essentials and check your understanding after your teacher’s explanation.
Read an element’s position从电子排布读元素的位置
Use electron shells to connect group, period and chemical behaviour.
Complete this core task when your teacher assigns the topic. Use the short recall cards before class.按老师指定的知识点完成网页预习，周内用提示卡回忆；不是整章预习。
Choose a topic
Position and electronic configuration
Use an element’s position to predict its electrons, ions and properties.
Group I alkali metals
Describe Group I trends and predict reactions using evidence.
Halogens and displacement
Predict halogen displacement and explain the electron transfer.
Transition elements and noble gases
Compare transition elements with Group I and explain noble-gas stability.
Printable worksheets
Guided Worksheet
4 lessons with teacher examples, partner practice and hint references.
Download DOCX ↓Printable hint cards
Use a card when you need a starting step, then return to the question. Chapter 12 cards are on pages 2–3 of the collection. Print the relevant pages and cut out the cards you need.
Download hint cards DOCX ↓