Matter part 1

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Matter part 1

• II. Classification of Matter
• Pure Substances
• Mixtures
• Matter Flowchart

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A. Pure Substances

• Element
• composed of identical atoms
• EX copper wire, aluminum foil

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A. Pure Substances

• Compound
• composed of 2 or more elements in a fixed ratio
• properties differ from those of individual
  elements
• EX table salt (NaCl)

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B. Mixtures

• Variable combination of 2 or more pure substances.

Heterogeneous (Non-uniform)
Homogeneous (Uniform)
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B. Mixtures

• Solution
• homogeneous
• very small particles

• particles dont settle
• EX rubbing alcohol

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C. Matter Flowchart
MATTER
yes
no
Can it be physically separated?
Homogeneous Mixture (solution)
Heterogeneous Mixture
Compound
Element
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C. Matter Flowchart

• Examples
• graphite
• pepper
• sugar (sucrose)
• paint
• soda

• element
• hetero. mixture
• compound
• hetero. mixture
• solution