Radial and angular nodes and their significance. Mr. Mithil Fal Desai, Ph. D. Assistant Professor in Chemistry Shree Mallikarjun and Shri Chetan Manju Desai College Canacona , Goa
Wave function (r, = R(r) , Y ( ) Angular wave function Radial wave function
Orbital Quantum number Radial component of wave function ‘ R(r) ’ Radial component of wave function ‘ Y(𝛉, 𝛟) ’ 1s n = 1, l = 0 2 2p n = 2, l = 1 Orbital Quantum number Radial component of wave function ‘ R(r) ’ Radial component of wave function ‘ Y(𝛉, 𝛟) ’ 1s n = 1, l = 0 2p n = 2, l = 1 Radial and angular component of wave function r = distance from nucleus, e = base of natural logarithm, Z = atomic number, = Bohr radius (52.9 pm) and n = principal quantum number
R(r)= 2 Radial wave function of 1s orbital
Wave function of S orbital and boundary surface x y z
R(r) = Radial wave function of 2s electrons Node Radial wave function is zero
Radial wave function of 2p orbital
Wave function of p orbital + x y z -
Boundary surface of p orbital x y z - + Angular wave function zero along xy plane A ngular node