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Chapter overview
Study Atomic Structure through notes, flashcards, revision, MCQs, and long-answer practice.
Practice ready
3648 MCQs and 3815 written prompts are ready for focused chapter work.
Topics
2
Recall
6
Cards
12
Topic 1
Atoms, molecules, and ions differ by grouping and charge.
Topic 2
Valency helps decide how atoms or radicals combine.
Chapter pack
Topic list
Topic 1
Atoms are the smallest particles of elements. Molecules are groups of atoms, and ions are charged atoms or groups of atoms.
Topic 2
Valency is the combining capacity of an element or radical. Formulae are written by balancing valencies so the compound is electrically neutral.
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