ocurre en un nivel de energía inferior al del período actual (capa
: Corresponds to the main energy level or shell (1, 2, 3...). ocurre en un nivel de energía inferior al
): Indicates the main energy level or shell. This corresponds to the (row) on the periodic table. Azimuthal (Angular Momentum) Quantum Number ( ): Defines the shape of the orbital ( ). This corresponds to the Blocks on the periodic table: : s-block (Groups 1 and 2) : p-block (Groups 13–18) : d-block (Transition Metals) : f-block (Lanthanides and Actinides) Magnetic Quantum Number ( ): Specifies the orientation of the orbital in space. Spin Quantum Number ( ): Indicates the direction of the electron's spin ( 3. Orbital Filling and Periodicity ocurre en un nivel de energía inferior al