Chemistry 9th Edition

Published by Cengage Learning
ISBN 10: 1133611095
ISBN 13: 978-1-13361-109-7

Chapter 1 - Chemical Foundations - Exercises: 80

Answer

Solid: State of matter in which particles are locked in fixed positions Liquid: State of matter in which particles can freely move to other positions within the substance and has a constant volume Gas: State of matter in which particles freely move around in space. Pure substance: Substance with only one kind of matter Element: Substance which can't be broken down further by chemical or physical changes Compound: Substance made of two or more elements which can't be broken down by a physical change but can be broken down by a chemical change Homogeneous mixture: Mixture with same proportions of its components throughout a sample Heterogeneous mixture:Mixture with varying proportions of its components throughout a sample. Solution: Liquid heterogeneous mixture Chemical change: Rearrangement of atoms in one or more substances Physical change: Change occuring without altering the composition of a substance

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