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Introduction to Chemistry: Matter and Measurement

This chapter provides an overview of the study of chemistry, focusing on matter and its properties. It discusses the classification of matter into elements, compounds, and mixtures, and explains the different states of matter. The importance of studying chemistry at the submicroscopic level to understand macroscopic events is emphasized.

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Introduction to Chemistry: Matter and Measurement

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  1. Chapter 1 Introduction: Matter and Measurement

  2. Section 1.1 The Study of Chemistry

  3. Chemistry • The study of matter and the changes it undergoes Matter • Physical material of the world • Has mass • Takes up space

  4. Matter  116 Elements  Atoms(submicroscopic)

  5. Atom + Atom = Molecule

  6. Property • Any characteristic that allows us to recognize and distinguish • Can be physical or chemical

  7. Physical Property Chart

  8. Chemical Property Chart

  9. Always Remember… • We study chemistry at the submicroscopic level in order to explain macroscopic events

  10. Section 1.2 Classifications of Matter

  11. States of Matter • 3 Forms • Solid • Liquid • Gas

  12. Three States of Matter

  13. Pure SubstanceElement Compound • An element cannot be decomposed into simpler substances • A compound is a relatively stable combination of two or more chemically bonded elements in a specific ratio. • Can be decomposed

  14. Mixtures • Mixtures consist of two or more substances • Homogenous mixtures are uniform throughout. • Air, sea water, and a nickel coin • Heterogeneous mixtures vary in texture and appearance throughout the sample. • Rocks, wood, polluted air, and muddy water

  15. Pure Substances Fixed elemental composition Mixtures Varying composition

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