The azimuthal quantum number, also known as the angular momentum quantum number or orbital quantum number, is represented by ( l ). It determines the shape of the orbital and indicates the sublevel within each principal energy level determined by the principal quantum number ( n ). The potential values of ( l ) are from ( 0 ) to ( n - 1 ), where ( n ) is the principal quantum number. Each value of ( l ) corresponds to a particular sublevel or type of orbital:
a) l = 0 corresponds to an s-orbital (spherical shape).
b) l = 1 corresponds to a p-orbital (dumbbell shape).
c) l = 2 corresponds to a d-orbital (complex shape).
d) l = 3 corresponds to an f-orbital (even more complex shape), and so on.
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