Alkene Structures — First Three Members

Figure 1: The C=C double bond is the defining feature of alkenes. It is shown as two lines between two adjacent carbon atoms, and it is the site of all addition reactions.

This diagram covers Alkene Structures — First Three Members within Alkenes for GCSE Chemistry. Revise Alkenes in Organic Chemistry for GCSE Chemistry with 20 exam-style questions and 15 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 2 of 14 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.