ATOMIC STRUCTURE pdf file

At the end of this unit you will be able to: 

• Calculate the electrostatic and gravitational forces between two bodies or particles 

• State the Heisenberg Uncertainty Principle and calculate the uncertainty in position or velocity of a particle or body 

• Define the de Broglie wavelength and calculate same for particles and bodies 

• Explain interference and diffraction in light and electrons 

• Explain the terms wavefunction, Eigenfunction and Hamiltonian operator as they appear in the Schrödinger Wave Equation 

• Sketch the radial wavefunctions for the 1s, 2s and 2p orbitals 

• Sketch the Radial Distribution Functions for 1s, 2s and 2p orbitals 

• Define and depict radial and angular nodes on orbitals 

• Define and give examples of principal, orbital angular momentum, magnetic and spin quantum numbers • Calculate the energy of the levels and the emission lines in the hydrogen atom 

• Explain the Orbital Approximation and apply it to the Helium atom

• State the Pauli Exclusion Principle, and rationalize it in terms of the relative stability of different electronic configurations (e.g. Lithium). 

• State Hund’s rule and explain it in terms of the relative stability of the different electronic configurations of sub-shells (e.g. Carbon) • Define Cartesian and Spherical Polar coordinates 

• State advantages of expressing wavefunctions in Spherical Polar coordinates 

• Define radial wavefunction and angular wavefunction 

• Calculate and plot the hydrogen 1s Radial wavefunction 

• Define and calculate orbital angular momentum of an electron in different orbitals 

• Define and explain Space Quantization • Define Ionization Enthalpy and explain its trend across the Li – Ne period.