Chapter 1 Introduction: Matter and Measurement. Section 1.1 The Study of Chemistry.
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Transcript of Chapter 1 Introduction: Matter and Measurement. Section 1.1 The Study of Chemistry.
![Page 1: Chapter 1 Introduction: Matter and Measurement. Section 1.1 The Study of Chemistry.](https://reader036.fdocuments.in/reader036/viewer/2022081811/56649f575503460f94c7bcaa/html5/thumbnails/1.jpg)
Chapter 1
Introduction:
Matter and Measurement
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Section 1.1
The Study of Chemistry
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Chemistry• The study of matter and the
changes it undergoes
Matter• Physical material of the world• Has mass• Takes up space
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Matter 116 Elements Atoms
(submicroscopic)
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Atom + Atom = Molecule
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Property• Any characteristic that allows
us to recognize and distinguish
• Can be physical or chemical
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Physical Property Chart
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Chemical Property Chart
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Always Remember…
• We study chemistry at the submicroscopic level in order to explain macroscopic events
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Section 1.2
Classifications of Matter
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States of Matter
• 3 Forms
•Solid
•Liquid
•Gas
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Three States of Matter
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Pure Substance
Element 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
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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
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Pure Substances
• Fixed elemental composition
Mixtures
• Varying composition