<http://schema.org/relatedLink>
<http://chem.libretexts.org/Core/Physical_and_Theoretical_Chemistry/Atomic_Theory/Ionization_Energies_of_Diatomic_Molecule>
<http://chem.libretexts.org/Core/Physical_and_Theoretical_Chemistry/Atomic_Theory/The_Atom/Sub-Atomic_Particles>