CHEM 10052 Lecture Notes - Lecture 1: Scanning Tunneling Microscope, Fluorine, Physical Law

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What is chemistry: the study of matter, matter is anything and everything, the study of , chemical and physical properties, energy changes during processes. Interactions with other matter: two major themes of chemistry, matter is particulate, all matter is constructed of tiny particles, the behavior we observe in the real world is the sum of behavior occurring on the atomic scale. If we want to explain the phenomena, we have to be able to explain how the particle behavior produces the behavior: scanning tunneling microscope images, stm is used to study the surfaces of materials at the microscale level. Macro or micro: people: macroscopic, cells: macroscopic, even the tiniest cell contains billions and billions of atoms, molecules: microscopic. In chemistry, the microscale is the world of atoms and molecules. If you can see it with visible light (your eyes; even with magnification) it is a macroscale object. If you heat a sealed can, then it will explode.