Study Notes | IGCSE Chemistry 0620 | 2. Atoms, Elements & Compounds

This Study Note summarises what you need to know about

2. Atoms, Elements & Compounds from the Cambridge IGCSE syllabus of Paper Chemistry 0620, for exams in 2023,2024 and 2025.

Subtopics include:

• Elements, Compounds & Mixtures
• Atoms & Molecules
• Differences between Elements, Compounds & Mixtures
• Atomic Structure & The Periodic Table
• Relative Charges & Masses of Subatomic Particles
• Proton Number
• Mass Number
  
• Electron Configurations
• Electron Configurations of Ions
• Isotopes
• Relative Atomic Mass
• Ions and Ionic Bonds
• Cations and Anions
• Dot and Cross Diagrams
• Ionic Lattice Structure
• Properties of Ionic Compounds
• Simple Molecules and Covalent Bonds
• Properties of Simple Molecular Compounds
• Giant Covalent Structures
• Diamond
• Graphite
• Silicon (IV) Oxide
• Similarity between Diamond & Silicon (IV) Oxide
• Metallic Bonding
• Properties of Metals