Dr. Stephen Lukacs (September 2020)
The historical discoveries leading to quantum mechanics from the nature of waves and the observed periodic properties leading to the shape and form of the Periodic Table come together to yield a cohesive understanding of matter in our entire universe.
(September 2020) Electron configurations are a symbolic shorthand for the residences or orbitals of the electrons around the central nucleus of the atom or ion. Understanding electron configurations is essential to understanding the basis of ionic and covalent bonding, as well as, reactivity and chemical reactions.