Carbon and hydrocarbons
Carbon and hydrocarbons
Organic chemistry is the study of carbon-containing compounds. Carbon is especially versatile because each carbon atom forms four covalent bonds, so it can make chains, branches and rings.
Step-by-step lessons on Edexcel IGCSE Chemistry Introduction. Each one builds up to exam-style questions. Build a solid grasp of atomic structure, bonding and the mole concept early, since these underpin almost every other topic, then move on to the more calculation-heavy quantitative and organic chemistry content.