Atomic Structure — Class 11 Notes Pdf [new]

It is impossible to determine both the exact position and momentum of an electron simultaneously. Quantum Numbers

Describes the probability of finding an electron. Quantum Numbers: Principal ( ): Size and energy of the shell (1, 2, 3...). Azimuthal ( ): Shape of subshell ( Magnetic ( ): Orientation of orbitals ( −lnegative l +lpositive l Spin ( ): Direction of electron spin ( 6. Rules for Filling Electrons atomic structure class 11 notes pdf

Quantum numbers act like an "address" for an electron, defining its location, energy, and spin. It is impossible to determine both the exact

Defines the main shell and size (