12-1The Components of MatterReview Chapter 2CHM 151: Structure of the Atom2-2Chapter 2: The Components of Matter2.8Compounds: Formulas, Names, and Masses2.9Mixtures: Classification and Separation2.1Elements, Compounds, and Mixtures: An Atomic Overview*2.2The Observations That Led to an Atomic View of Matter*2.3Dalton’s Atomic Theory*2.4The Observations That Led to the Nuclear Atom Model*2.5The Atomic Theory Today*2.6Elements: A First Look at the Periodic Table*2.7Compounds: Introduction to Bonding**Review these sections2-3Definitions for Components of MatterElement-the simplest type of substance with unique physical and chemical properties. An element consists of only one type of atom. It cannot be broken down into any simpler substances by physical orchemical means.Molecule-a structure that consists of two or more atoms that are chemically bound together and thus behaves as an independent unit.Figure 2.12-4Compound-a substance composed of two or more elements which are chemically combined.Mixture-a group of two or more elements and/or compounds that are physically intermingled.Definitions for Components of MatterFigure 2.1
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