UWL CHM 103 - Exam 1 Study Guide (9 pages)

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Exam 1 Study Guide



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Exam 1 Study Guide

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An overview of the first 5 lectures by use of key term definitions, tables, charts and formulas.


Pages:
9
Type:
Study Guide
School:
University of Wisconsin-La Crosse
Course:
Chm 103 - General Chemistry I

Unformatted text preview:

CHM 103 1nd Edition Exam 1 Study Guide Lectures 1 5 Lecture 1 September 3 Introduction to Atoms and Molecules What is an atom What is a molecule How do these two things correlate with matter Atom An atom is the fundamental building blocks of ordinary matter They are minuscule particles that can also bind together An example of an atom would be an oxygen atom or a carbon atom Molecule A molecule is a combination of atoms held together in specific shapes The properties of substances depend on the atoms and molecules that compose the substance An example of a molecule would be a carbon monoxide molecule How they Correlate with Matter Matter is built up of molecules and atoms Matter is what occupies space and without molecules and atoms there would be no matter The science of chemistry studies the behavior of matter by studying the behavior of atoms and molecules Lecture 2 September 5 More on Matter What are the three different classifications of matter Describe the molecules state in each classification Describe what a chemical and physical property is Describe what a chemical and physical change is Classify matter according to its composition Three Classifications of Matter Solid Molecules are tightly packed together and vibrate but do not move The solid has a fixed volume and a rigid shape Liquid Molecules and atoms are still packed closely together but are free to move around each other Therefore liquids have a fixed volume but not a fixed shape They assume the shape of their container Gas Molecules and atoms have a lot of room to move around rapidly This cause a lot of collisions between the molecules and atoms Gasses are compressible and always assume the shape and volume of the container they are in Physical and Chemical Properties Physical Properties Property that a substance displays without changing its composition Examples would be color odor density hardness melting and boiling point conductivity or solubility Chemical Properties Property that a substance



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