Chemistry 431 has been working on Atomic Theory the past few weeks. The concept of a fundamental particle called an atom has evolved over time. The classes have been studying the key discoveries in the evolution of the atom. There are two stages of evolution. The first stage looks at the atom as a particle and the fundamental parts of electrons, protons, and neutrons and their inter-relationship.
The second stage of evolution focuses on describing the energy and position of electrons around the nucleus. This stage draws a big distinction between the world of the atom and world we live in. They couldn't be more different and this is what is most challenging when studying the modern atom and the quantum mechanics that are used to describe it. It is this current quantum mechanical model of the atom that best describes the chemistry of the elements.
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