Introduction to CHEM 1010 and Matter and its Changes.
Introduction to CHEM 1010 and Matter and its Changes. CHEM 1010
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This 5 page Class Notes was uploaded by Chase Bobier on Tuesday February 2, 2016. The Class Notes belongs to CHEM 1010 at Middle Tennessee State University taught by Tammy J Melton in Fall 2015. Since its upload, it has received 32 views. For similar materials see Introductory General Chemistry I in Chemistry at Middle Tennessee State University.
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Date Created: 02/02/16
Chemistry 1010 Notes Chase Bobier 1-19-16 Week One Subject Important term Things you most definitely need to know INTRODUCTION TO CHEMISTRY Chemistry is a part of everything around that makes up the world around us; everything we can touch and feel is a product of chemistry. Chemistry is NOT ideas or concepts. MATTER AND ITS CHANGES Matter is comprised of atoms, that matter has both chemical and physical properties. Physical properties describe a static state of matter. Chemical properties describe how a substance interacts with the world. Changes in matter can either be chemical or physical. In a physical change no atomic bonds are broken. In a chemical change atomic bonds are broken. Examples of physical changes are: Water freezing, boiling, melting or evaporating. Examples of chemical changes are: burning, changing color, or lighting on fire. Chemistry 1010 Notes 1-21-16 Chase Bobier Week One Notes Important terms Things you need to know (Section 1.2 of text) Matter Pure Substances Mixtures Elements Compounds Hos Mixtures Hus Mixtures Sodium, Hydrogen, STable Salt ACoffeea, Water, Pizza Oxygen PURE SUBSTANCES Compounds are a sample of matter comprised of two or more different elements. All of the molecules of a compound are identical in composition. Elements are a sample of matter containing only one element. Molecules have many different types of arrangements, ranging from simple like water (fig 1) which is triatomic [containing three atoms] in nature; to something complex like caffeine (fig 2) which is polyatomic [any molecule that contains more than three atoms is generally termed polyatomic, poly being the prefix meaning many]. (fig 1) (fig 2)
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