Pure Substances

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Pure Substances

• Cannot be broken down into simpler substances and
  still have the same properties.

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Pure Substances

• Elements
• The purest substances known.
• They contain all the same type of atom.

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Pure Substances

• Compounds
• Combinations of atoms that are bonded together.

http//www.cybered.net/library/Teaching_Resources
/Chemistry/Naming_Chemical_Compounds/Image_Gallery
/NamingChem-Compounds.jpg
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Mixtures

• Combinations of different types of matter that
  can easily be separated from one another.

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Mixtures

• Homogeneous Mixtures
• Look the same throughout.
• Include solutions, colloids, and suspensions.

http//www.guided-wave.com/_img/userfiles/Image/C
hemicalFlasks.jpg
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Solutions have one substance that is so small it
isdissolved in another substance
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Colloids and the Tyndall Effect Particles are
larger in a colloid than in a solution
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A suspension has particles that eventually will
settle to the bottom.
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ortfolio/text_images/FG14_09.JPG
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Mixtures

• Heterogeneous Mixtures
• These have two or more visible parts.

http//www.chemistry.org/portal/a/c/s/1/resources
/ACS/ACSContent/wondernet/images/wn_float_oil.jpg