Lesson 21 · about 20 minutes
Curly arrows
How chemists draw electrons on the move, and why reactions go the way they do.
You will learn
- What a curly arrow shows, from its tail to its head
- Why electrons flow from electron-rich places to electron-poor ones
- How a base takes H⁺ from an acid, in two arrows
- How bromine adds to ethene, step by step