Physical · Quantum Chemistry
Quantum Chemistry — Basics
Exam-focused revision notes on Quantum Chemistry — Basics for CSIR-NET Chemical Sciences, GATE Chemistry and IIT-JAM — the core concepts, the formulas worth memorising, the traps that cost marks, and a quick-recall table.
The core idea
At atomic scale, matter shows both particle and wave behaviour, and energy is quantized. The state of a system is captured by a wavefunction ψ, and observables come from operators acting on ψ.
What this note covers
- 1The core idea
- 2Wave–particle duality & de Broglie
- 3Heisenberg uncertainty principle
- 4The wavefunction ψ & Born interpretation
- 5Schrödinger equation (conceptual)
- 6Particle in a 1-D box
- 7Quantum numbers & orbitals
- 8Hydrogen atom
- 9Operators & expectation values (brief)
- 10Common traps students miss
- 1130-second recall table
Read the full note
The remaining 10 sections — including the worked examples, the common-traps list and the quick-recall table — are part of ChemVidya Full Access, along with 6,000+ practice questions.
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