Experiment 7: Quantum Mechanics General Chemistry I and II Lab Manual Dakota State University Page 93 of 232 Experiment 7: quantum mechanics Purpose: To understand the relationship between electronic structure and the periodic chart. Purport: To claim, declare, profess or assert. Background: Using HyperChem Introduction: As atoms collide, it is the electrons that interact owing to the simple fact that they are the only subatomic particles that are not confined to the nucleus of the atom. Thus, the structure of the electron cloud around the nucleus is essential to the chemical and physical properties of an element, and the structure of this cloud of electrons is dependent upon the total number of electrons. From this argument, it might seem reasonable to assume that we could identify an element based on the number of electrons it has, but unfortunately, the number of electrons for an atom is subject to change.
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