- Dr.Sanjaykumar Pawar Orbitals and Quantum Numbers explained with shells, subshells and orbital orientation for Class 11 Chemistry. ORBITALS AND QUANTUM NUMBERS │ ├── Orbitals │ │ │ ├── Region of maximum electron probability │ ├── Differ in: │ │ ├── Size │ │ ├── Shape │ │ └── Orientation │ │ │ └── Described by Quantum Numbers │ ├── Principal Quantum Number (n) │ │ │ ├── Determines: │ │ ├── Size of orbital │ │ └── Energy of orbital │ │ │ ├── Values: │ │ └── 1, 2, 3, 4, ... │ │ │ ├── Shell Names: │ │ ├── n = 1 → K │ │ ├── n = 2 → L │ │ ├── n = 3 → M │ │ └── n = 4 → N │ │ │ ├── Inc...
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