section 1.2 matter and its...
TRANSCRIPT
Section 1.2 Matter and Its Properties
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Matter
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•Volume is the space an object occupies.
•Mass is a measure of the amount of matter.
•Matter is anything that has mass and takes up space.
Matter
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Classification of Matter•A mixture is a blend of two or more kinds of matter, each of which retains its own identity and properties.
• Homogeneous mixtures are called solutions • uniform in composition (e.g., salt-water solution)
• Heterogeneous mixtures• not uniform throughout (e.g., sand)
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Classification of Matter
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Classifying Matter
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Examples of Mixtures
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How would youclassify...blood?
It’s a ... heterogeneous mixture!
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Homogeneous Heterogeneous
Examples of MixturesSalt Water Water + Sand
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A pure substance has a fixed composition.
These are the building-blocksof all matter!
Two categories: 1. Elements 2. Compounds
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Elements are composed of identical atoms and cannot be chemically broken down into a simpler substance.
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Elements
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Atoms
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Compounds are composed of atoms from two or more different elements that are chemically bonded together.
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Compounds
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Molecules
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Laboratory Chemicals and Purity
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Practice: Copy and complete the following chart into your notes...
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