Atomic Structure resources
Chemistry, grade 8. Notes, worksheets, videos, interactive tools and revision materials for this chapter.
Notes
Study notes
The chapter's lessons are the notes — read them in order, then use the resources below.
01Atoms and ElementsProtons, neutrons, electrons — and what makes an element.Read lesson →02Subatomic ParticlesMeet protons, neutrons and electrons and learn their charges and masses.Read lesson →03Atomic Number and Mass NumberUse proton and nucleon numbers to describe any atom.Read lesson →04Electron ShellsArrange electrons in shells and link the arrangement to the periodic table.Read lesson →
Worksheets
Practice worksheet
Attempt every question before revealing the answer — that struggle is where learning happens.
Practice questions live inside each lesson — work through them there, then return for revision.
Videos
Watch and learn
Hand-picked searches to find a clear video explanation of each lesson.
Revision
Revision checklist
Can you explain each of these out loud, without looking? If not, re-read that lesson.
- Atoms and Elements: Protons, neutrons, electrons — and what makes an element.
- Subatomic Particles: Meet protons, neutrons and electrons and learn their charges and masses.
- Atomic Number and Mass Number: Use proton and nucleon numbers to describe any atom.
- Electron Shells: Arrange electrons in shells and link the arrangement to the periodic table.
- Read each lesson's summary and re-do its practice questions from memory.