de Broglie Dual Nature of Electron | Isotope Isotope Isotone in Bengali | by Joydeb Pal
40:49
Structure of Atom Class 11 Numericals in Bengali | by Joydeb Pal
58:36
Electron Affinity | Electronegativity | Diagonal Relationship (P-9) | in Bengali by Joydeb Pal
1:10:43
Electronic Configuration | Pauli Exclusion Principle | Hund's Rule | Aufbau Principle| by Joydeb Pal
52:58
Quantum Numbers Class 11 Chemistry | Sommerfeld Atomic Model | in Bengali by Joydeb Pal
26:31
Periodic Classification of Elements Class 11 (Part-1) | in Bengali by Joydeb Pal
53:57
Ionic Bond | Chemical Bonding Class 11 (P-1) | in Bengali by Joydeb Pal
42:35
Mole Concept Class 11 | Avogadro's Number | in Bengali by Joydeb Pal
39:54