By the end of class you should be able to define, illustrate, and give an example of:
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Transcript of By the end of class you should be able to define, illustrate, and give an example of:
By the end of class you should be able to define, illustrate, and give an example of:
1. Element2. Compound3. Mixture
Please take Cornell Notes during the presentation!
What is an ELEMENT?
What is an ELEMENT?
A pure substance that cannot be broken down into simpler substances by physical or chemical means.
Aluminum is an example of an ELEMENT.
What is a COMPOUND?
What is a COMPOUND?
A chemical combination between two or more elements, which have different properties different
than the original components.
Salt is an example of a COMPOUND.
Na + Cl2 2 NaCl
+
+ Na Cl2
NaCl
NaCl
What is a MIXTURE?
What is a MIXTURE?
A physical blend of two or more pure substances (elements or compounds), in which both substances
retain the original properties.
What is blended to make the Kool-Aid MIXTURE?
What is blended to make the Kool-Aid MIXTURE?
•H20 (water)•C6H12O6 (sugar)•Flavoring
Separation Techniques
1. Chromatography2. Pick it apart3. Filtration4. Distillation5. Crystallization6. Sublimation
The Atom & sub-atomic particles
Don’t forget to summarize your Cornell notes & create
the questions!