Quantum Numbers & Electronic Configuration Explanation | Aufbau, Hund & Pauli Principles Made Easy

Quantum Numbers and Electronic Configuration Full Tutorial Unlock the mystery of how electrons are arranged in atoms! In this full tutorial by iExamPrep, you’ll learn everything about quantum numbers and electronic configuration, including: The four quantum numbers — principal, azimuthal, magnetic, and spin How to apply Aufbau’s principle, Hund’s rule, and the Pauli exclusion principle Step-by-step methods for writing electronic configurations How these rules explain the structure of the Periodic Table Perfect for JAMB, WAEC, IJMB, UTME, and foundation chemistry students preparing for exams or revising atomic structure. quantum numbers, electronic configuration, Aufbau principle, Hund's rule, Pauli exclusion principle, principal quantum number, azimuthal quantum number, magnetic quantum number, spin quantum number, chemistry tutorial, JAMB chemistry, WAEC chemistry, UTME chemistry, IJMB chemistry, atomic structure, iExamPrep chemistry, electron configuration rules, periodic table, electron arrangement, full chemistry lesson, chemistry made easy #QuantumNumbers #ElectronicConfiguration #ChemistryTutorial #AufbauPrinciple #HundsRule #PauliExclusionPrinciple #iExamPrep #AtomicStructure #JAMB2026 #WAEC2026 #ChemistryMadeEasy #UTMEChemistry