Atoms, elements and molecules
Atoms, elements and molecules
Chemistry starts with atoms, the smallest particles of elements that can take part in chemical reactions. An element contains only one type of atom.
Step-by-step lessons covering Edexcel IGCSE Chemistry Atomic structure for IGCSE Chemistry. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. 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.