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

1

2

3

4

5 6

The Atom & sub-atomic particles

Don’t forget to summarize your Cornell notes & create

the questions!