1. Elements, Compounds and Mixtures

2. Elements
It is a pure substance that cannot be broken down into simpler substance.
Everything found on the Periodic Table is an ELEMENT
Ex. (O-Oxygen, Fe- Iron, C-Carbon)

3. How Elements are Categorized
Metals-shiny and good conductors or heat and electricity
Lead
Copper
Tin

4. How Elements are Categorized
2. Nonmetals- dull and poor conductors
Sulfur
Neon
Iodine

5. How Elements are Categorized
3. Metalloids- semi-conductors (have both metal and nonmetal properties
Boron
Silicon
Arsenic

6. Compounds
A pure substance composed of 2 or more elements that are CHEMICALLY combined
Table Salt: NaCl
Water: H2O

7. What Do Compounds Have To Do With My Life?
Compounds are the substances that make up ALL living and non-living things
Examples: Where would you be without:
H2O—water
NaCl—table salt
C3H8O—rubbing alcohol
C55H98O6—an example of an
unsaturated fat

8. Mixtures
Combination of 2 or more substances that are NOT CHEMICALLY combined

9. 2 Types of Mixtures
Homogeneous- mixture where the composition is uniform
Heterogeneous- a mixture where the components can be identified

10. How Are Mixtures Important To My Life?
We encounter mixtures everywhere in our lives
Where would you be without:
Ice cream
Kool-aid
Shampoo
Soup
Chex-Mix
Pizza

11. Compounds Vs Mixtures Mixtures Compounds
Made of Elements, Compounds, or Both
Made of Elements
No change in Original properties
Change in original properties
Separated by physical means
Separated by chemical means

12. Classifying Matter Matter Pure Substances Mixtures juice, Kool-Aid
Homogeneous
Heterogeneous
Elements
Compounds
Rocky Road ice cream, Chex-Mix
juice, Kool-Aid
Fe, O
H2O, CO2