HomeChemistry RevisionCAIE IGCSE Chemistry (0620)Atoms, Elements and Compounds

Atoms, Elements and Compounds

Past paper questions, key definitions, and mark schemes — all files verified from our archive.

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📝 Key Concepts & Definitions

  • Element: substance made of only one type of atom
  • Compound: substance made of two or more elements chemically combined
  • Mixture: two or more substances not chemically combined
  • Proton: positive charge, mass 1, in nucleus
  • Neutron: no charge, mass 1, in nucleus
  • Electron: negative charge, mass 1/1836, in shells
  • Ionic bond: transfer of electrons between metal and non-metal
  • Covalent bond: sharing of electrons between non-metals

+ more definitions available in the full revision notes

🃏 Flashcards

❓ Questions by Topic

✅ 13 verified PDF links — all files confirmed on server

📅 2022-2024 papers (1 available)
📅 2018-2021 papers (12 available)

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