Chapter 1 - Section 1.1 Chemistry: An Overview Atoms vs....

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Section 1.1 Chemistry: An Overview Return to TOC Modey Atoms vs. Molecules Matter is composed of tiny particles called atoms. Atom: smallest part of an element that is still that element. Molecule: Two or more atoms joined and acting as a unit. 1
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Section 1.1 Chemistry: An Overview Return to TOC Modey Oxygen and Hydrogen Molecules Use subscripts when more than one atom is in the molecule. 2
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Section 1.1 Chemistry: An Overview Return to TOC Modey A Chemical Reaction One substance changes to another by reorganizing the way the atoms are attached to each other. 3
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Section 1.9 Classification of Matter Return to TOC Modey Anything occupying space and having mass. Matter exists in three states. Solid Liquid Gas Matter 4
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Section 1.9 Classification of Matter Return to TOC Modey Rigid Has fixed volume and shape. Solid 5
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Section 1.9 Classification of Matter Return to TOC Modey Structure of a Solid 6
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Section 1.9 Classification of Matter Return to TOC Modey Has definite volume but no specific shape. Assumes shape of container. Liquid 7
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Section 1.9 Classification of Matter Return to TOC Modey Structure of a Liquid 8
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Section 1.9 Classification of Matter Return to TOC Modey Has no fixed volume or shape. Takes on the shape and volume of its container. Gas 9
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Section 1.9 Classification of Matter Return to TOC Modey Structure of a Gas 10
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Section 1.9 Classification of Matter Return to TOC Modey The Three States of Water 11
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Section 1.1 Chemistry: An Overview Return to TOC Modey A main challenge of chemistry is to understand the connection between the macroscopic world that we experience and the microscopic world of atoms and molecules. You must learn to think on the atomic level. 12
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Section 1.2 The Scientific Method Return to TOC Modey Science is a framework for gaining and organizing knowledge. Science is a plan of action — a procedure for processing and understanding certain types of information. Scientists are always challenging our current beliefs about science, asking questions, and experimenting to gain new knowledge. Scientific method is needed. Science 13
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Section 1.2 The Scientific Method Return to TOC Modey Fundamental Steps of the Scientific Method Process that lies at the center of scientific inquiry. 14
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Section 1.2 The Scientific Method Return to TOC Modey Scientific Models Summarizes what happens. Law
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This note was uploaded on 04/05/2011 for the course CHEM 112 taught by Professor Jursich during the Spring '08 term at Ill. Chicago.

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Chapter 1 - Section 1.1 Chemistry: An Overview Atoms vs....

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