Structure Of Atom — NEET Chemistry Concepts
Every Chemistry concept in Structure Of Atom, explained around the doubts students actually search. Tap any concept for the full note with NCERT context and NEET traps.
- Cathode Rays: Properties and the Discharge Tube Experiment
- Charge to Mass Ratio (e/m) of Electron — Thomson's Experiment
- Millikan's Oil Drop Experiment: How the Charge on an Electron Was Found
- Canal Rays (Anode Rays) and the Discovery of the Proton
- Chadwick's Discovery of the Neutron (1932)
- Proton, Electron and Neutron: Mass and Charge Compared
- Why Is Electric Charge Quantised? (q = ne Explained)
- X-Rays: Discovery and Properties (Simple Notes for NEET)
- Alpha, Beta and Gamma Rays: Full Comparison for NEET
- Penetrating Power of Alpha, Beta and Gamma Rays (Order + Why)
- Rutherford's Alpha-Particle Scattering Experiment (Gold Foil)
- Size of Nucleus vs Size of Atom: How Big Is the Difference?
- Nucleons: Protons and Neutrons in the Nucleus
- Isotopes of Hydrogen: Protium, Deuterium and Tritium Explained
- How to Write Nuclide Symbol Notation (ᴬZ X) for Atoms and Ions
- Finding Protons, Neutrons and Electrons in an Ion
- Why Do Isotopes Show the Same Chemical Properties?
- Drawbacks of Rutherford's Atomic Model: Why the Atom Should Collapse
- Electromagnetic Spectrum: Regions and Their Order (Low to High Energy)
- Wavenumber: Definition and Formula (NEET Chemistry)
- c = νλ Relation: Speed, Frequency and Wavelength (NEET)
- Black Body Radiation: The Problem That Started Quantum Theory
- Planck's Constant (h): Value, Units and Meaning
- Quantisation of Energy: The Staircase Analogy Explained
- Work Function and Threshold Frequency Explained (NEET)
- Einstein's Photoelectric Equation: Formula and Explanation
- Stopping Potential in the Photoelectric Effect (NEET Guide)
- Photon Energy E = hc/lambda: Formula, Steps and NEET Calculations
- Number of Photons Emitted by a Bulb: Formula, Steps and NEET Solved Problems
- Dual Nature of Light: Wave and Particle Explained
- Continuous Spectrum vs Line Spectrum: Difference Explained
- Why Each Element Has a Unique Line Spectrum
- Rydberg Formula for the Hydrogen Spectrum
- Paschen, Brackett and Pfund Series in the Hydrogen Spectrum
- Which Hydrogen Series Lies in the Visible Region?
- Bohr's Postulates for the Hydrogen Atom (Explained Simply)
- Quantisation of Angular Momentum (mvr = nh/2π) in Bohr's Model
- Energy of Electron in Bohr Orbit: En = -RH/n² Formula
- Why Is the Energy of an Electron Negative in Bohr's Model?
- Velocity of Electron in a Bohr Orbit: Formula and Shortcut
- Ionisation Energy of Hydrogen from the Bohr Model
- Maximum Number of Spectral Lines from an Energy Level
- Zeeman Effect and Stark Effect: Splitting of Spectral Lines
- de Broglie Wavelength: Formula and How to Calculate It
- de Broglie Wavelength and the Bohr Orbit Circumference (2πr = nλ)
- Why de Broglie Wavelength Is Not Seen for Big Objects
- Heisenberg Uncertainty Principle: Formula and Calculations for NEET
- Significance of Heisenberg's Uncertainty Principle: Why an Electron Has No Fixed Path
- Schrodinger Wave Equation and the Wave Function Psi (Explained Simply)
- Probability Density (Psi Squared, ψ²): Meaning for NEET
- Important Features of the Quantum Mechanical Model of Atom
- Principal Quantum Number (n): Shells and the 2n² Rule
- Azimuthal Quantum Number (l) and Subshells s, p, d, f
- Magnetic Quantum Number (m_l) and Number of Orbitals = 2l + 1
- Spin Quantum Number (m_s): Electron Spin Explained
- Allowed and Forbidden Sets of Quantum Numbers
- Number of Nodes: Radial, Angular and Total Formula (NEET)
- Radial Probability Distribution Curves (1s vs 2s) Explained
- Boundary Surface Diagrams of Orbitals: Shapes of s, p and d Orbitals
- d-Orbitals Along Axes vs Between the Axes (NEET)
- Dalton's Atomic Theory and Its Limitations (NEET Notes)
- Discovery of Electron, Proton and Neutron: Experiments and Charges
- Atomic Number and Mass Number: Definition, Formula and Difference
- Difference Between Isotopes, Isobars and Isotones (NEET)
- Isoelectronic Species: What They Are and How to Identify Them
- Thomson and Rutherford Atomic Models (and Rutherford's Drawbacks)
- Electromagnetic Radiation: Wavelength, Frequency and Wavenumber
- Planck's Quantum Theory and Energy of a Photon (E = hν)
- What is the Photoelectric Effect? (NEET Class 11 Chemistry)
- Atomic Spectra: Continuous vs Line, Emission vs Absorption
- Bohr Model of the Hydrogen Atom (Postulates Explained)
- Radius and Energy of Bohr Orbits for Hydrogen-Like Ions
- Hydrogen Spectrum: Lyman, Balmer and Other Series (Visible Region)
- Limitations of the Bohr Model (Why It Fails)
- de Broglie Wavelength and Dual Nature of Matter
- Heisenberg's Uncertainty Principle (Formula, Meaning and NEET Numericals)
- Difference Between Orbit and Orbital (and Wave Function ψ)
- The Four Quantum Numbers (n, l, m, s): Simple Guide for NEET
- Shapes of s, p and d Orbitals (Spherical, Dumbbell and More)
- Nodes in Orbitals: Radial, Angular and Total Nodes
- Aufbau, Pauli and Hund's Rule: How Electrons Fill Orbitals
- How to Write the Electronic Configuration of an Atom (Step by Step)
- Why Are Cr and Cu Exceptions? Half-Filled and Fully-Filled Stability
- Spin-Only Magnetic Moment: Formula and Number of Unpaired Electrons