Elements, Compounds, and Mixtures · Pure Substances Mixtures Elements Compounds Hetero-geneous...

Elements, Compounds, and Mixtures

Matter

PureSubstances Mixtures

CompoundsElementsHetero-geneous

Homo-geneous

Elements

Elements• made of one kind of atom• CANNOT be broken down

into simpler substances• are pure substances• can be found on the

Periodic Table

Meet the Elements!

Compounds

Compounds• made of two or more atoms

that are chemically bonded– Examples: water, salt,

carbon dioxide• A compound has different

properties from the elements it is made up of

Compounds are different than the Elements they are made up of!

•Compounds can only be broken down into simpler substances by chemical changes

•Compounds are pure substances

Matter

PureSubstances Mixtures

CompoundsElementsHetero-geneous

Homo-geneous

Mixtures

Mixtures• made of two or more substances

that keep their own properties– Examples: air, ocean water,

blood• can be separated by physical

means (filtration, sifting, evaporation, etc.)

The difference between Compounds

and Mixtures Cartoon

•Heterogeneous mixture - is NOT uniform throughout– each substance can be

visibly distinguished (ex: salad)

•Homogeneous mixture – IS uniform throughout –the substances are evenly

mixed and cannot be visibly distinguished (ex: kool aid)

–Also called a solution

ELEMENT,COMPOUND,

OR MIXTURE???

1. WATER

2.NEON

3. PLATINUM

4. AIR

5. SOIL

6. SUGAR

7. KOOL

AID

8. MERCURY

Answers:1. Water - Compound 2. Neon - Element 3. Platinum - Element4. Air - Mixture5. Soil - Mixture6. Sugar - Compound 7. Kool Aid - Mixture8. Mercury - Element

Meet the Elements!