Classification of Matter

1
Classification of Matter

• Elements, Mixtures, and Compounds

2
What is Matter?

• Anything that takes up space.

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Classification of Matter

• Substance
• A material with a constant composition. (It is
  the same no matter where it is found.)
• Sodium Chloride, Water, and Oxygen are substances
  because they are the same no matter where you
  find them.

4
Substances

• All elements and all compounds are substances!

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Elements

• Elements are substances that are made up of one
  atom.
• 113 elements exist, most are metals.
• Found on the Periodic Table
• Examples of Elements Gold, Silver, Hydrogen

6
Compounds

• Compounds are substances that are made up of more
  than one type of atom.
• Water, for example, is made of hydrogen and
  oxygen atoms.
• Compounds are chemically combined. They can be
  broken down!

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Examples of Compounds

• Water
• Carbon Dioxide
• Sodium Bicarbonate (baking soda)

8
Mixtures

• Mixtures are made up of 2 or more substances that
  are combined.
• Composition of the mixture will vary with sample.
• Can be Homogeneous and Heterogeneous

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Homogeneous Mixtures

• Any material that is the same throughout.
• They are evenly mixed but not chemically
  combined.
• Each sample appears to be identical to the other.

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Examples of Homogeneous Mixtures

• Salt water
• Pure air

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Heterogeneous Mixtures

• Two or more substances that are NOT mixed evenly.
• You can see the different parts of the mixture.
• Can be separated easily.

12
Examples of Heterogeneous Mixtures

• Sand
• Soil
• Chicken soup
• Pizza
• Chocolate chip cookies

13
Solutions

• Special type of homogeneous mixture.
• Two parts mix physically not chemically.
• Two parts Solute and Solvent
• Solute what gets dissolved
• Solvent what does the dissolving.

14
Solution Examples

• SALT WATER
• Salt is the solute (what gets dissolved)
• Water is the solvent(what does the dissolving)