Atomic Structure
Chemistry — topic guides, questions, and exam chapters with this tag
Topic guide
Atomic Structure — Bohr's Model, Quantum Numbers for Class 11
Rutherford and Bohr models, quantum numbers, orbitals, electronic configuration, Aufbau principle, Hund's rule, Pauli exclusion. NCERT Class 11 Chapter 2.
Solved questions
Atomic Structure: Numerical Problems Solved Step-by-Step
Heisenberg uncertainty principle — calculate minimum uncertainty in position of electron
JEE Main 2022
Write electronic configuration of Cu and Cr — explain the anomaly
Atomic Structure: Tricky Problems from JEE/NEET
Atomic Structure: Conceptual Doubts Cleared
Atomic Structure: Previous Year Questions with Solutions
Atomic Structure: Common Mistakes and How to Fix Them
Limiting reagent — find the mass of product when both reagents are given
NCERT Class 11
Bohr's model — calculate energy of electron in nth orbit of hydrogen
JEE Main 2022
Photoelectric effect — work function, threshold frequency, and Einstein's equation
NCERT Class 11
Why is Ground State Configuration of Cr [Ar] 3d⁵ 4s¹ (Not 3d⁴ 4s²)?
NCERT Class 11 Chapter 2
What are Quantum Numbers? — n, l, m, s Explained with Example
NCERT Class 11 Chapter 2
Write Electronic Configuration of Chlorine (Z=17) — Shell Method
NCERT Class 9 Chapter 4
Photoelectric Effect — Threshold Frequency and Work Function
JEE Main 2023
Shapes of s, p, d Orbitals — Why d-Orbitals Have 5 Shapes
NCERT Class 11
Heisenberg Uncertainty Principle — Δx·Δp ≥ ℏ/2
JEE Main 2024
Mole concept — calculate number of moles, molecules, and atoms in 46g of ethanol
NCERT Class 11
Electronic Configuration of Elements 1-30 — Quick Reference
NCERT Class 11
Find the quantum numbers for the 25th electron — Aufbau and Pauli principle
NCERT Class 11
Electron configuration exceptions — Cr, Cu, and why half/fully-filled orbitals are stable
Electron configuration exceptions — Cr, Cu, and why half/fully-filled orbitals are stable