intermediate

Topic 2 Book Chapter — 7-topic bundle

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Course Syllabus

  1. Introduction to the Atomic Hypothesis and Early Models
  2. The Nuclear Atom and Sub-atomic Particles
  3. Atomic Notation and Composition
  4. Isotopes and Relative Atomic Mass
  5. Mass Spectrometry and Isotopic Analysis
  6. Introduction to Electron Configuration and Quantum Theory
  7. Review and Examination Preparation

Study Notes

Introduction to the Atomic Hypothesis and Early Models

For a long time, the question of what matter was made of was philosophical. Ancient Greek thinkers like Democritus proposed the idea of "atomos" – indivisible particles – but this was largely ignored for nearly two millennia. The scientific revolution brought a new way of thinking, focusing on observation and experimentation.

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