151: Composition of Matter

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15-1 Composition of Matter?

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Definition All the atoms in the element are the
same
Definition Each part of compound made of two
or more different atoms
Both are Pure substances
Elements
Compounds
Examples Gold, silver, iron, lead, alumininum
Examples sodium chloride, iron oxide,
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Examples
Element Gold
Compound Sodium Chloride
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intermediate
smallest
largest
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What are these examples of?
The Tyndall Effect
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Where did all this mud come from?
It was in suspension, but it settle out when the
water slowed down.