Polymers

From small molecules to a chain从小分子到长链

Follow an alkene monomer as it becomes part of an addition polymer.

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。

Printable hint cards

Use a card when you need a starting step, then return to the question. Chapter 18 cards are on pages 5–6 of the collection. Print the relevant pages and cut out the cards you need.