| Quantum Number | Symbol | Values | Meaning | |---|---|---|---| | Principal | ( n ) | 1, 2, 3... | Shell (energy level) & size | | Azimuthal (Angular) | ( l ) | 0 to ( n-1 ) | Subshell (shape): ( s ) (0), ( p ) (1), ( d ) (2), ( f ) (3) | | Magnetic | ( m_l ) | ( -l ) to ( +l ) | Orbital orientation | | Spin | ( m_s ) | ( +\frac12, -\frac12 ) | Electron spin (up/down) |
. It is impossible to know both position and momentum exactly. Rydberg Formula: atomic structure class 11 notes pdf
No two electrons in an atom can have the same four quantum numbers. | Quantum Number | Symbol | Values |
Alpha-scattering experiment. Discovery of the Nucleus . Rydberg Formula: No two electrons in an atom
Defines the main shell and size (
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