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MATTERMATTERMatter can be split into three different groups: ElementsCompoundsMixtures
Matter can be split into three different groups: ElementsCompoundsMixtures
Matter is : Matter is :
Anything that has MASS and VOLUME Anything that has MASS and VOLUME
ELEMENTELEMENTDefinition: A pure substance that is
made of only a single type of atom. Definition: A pure substance that is
made of only a single type of atom.
Examples: Gold, Iron, Aluminum, Oxygen
Examples: Gold, Iron, Aluminum, Oxygen
SEPARATING ELEMENTS: Cannot be broken apart under normal lab conditions. (heating, exposure to acids, exposure to electricity)
SEPARATING ELEMENTS: Cannot be broken apart under normal lab conditions. (heating, exposure to acids, exposure to electricity)
COMPOUNDCOMPOUNDDefinition: A single molecule of two or more
different ELEMENTS in fixed amounts. Properties are different than the elements that make it.
Definition: A single molecule of two or more different ELEMENTS in fixed amounts. Properties are different than the elements that make it.
Examples: Salt, Sugar, Vinegar, Glass, Water
Examples: Salt, Sugar, Vinegar, Glass, Water
SEPARATING COMPOUNDS: Takes a HUGE amount of energy. Needs to be done chemically.
SEPARATING COMPOUNDS: Takes a HUGE amount of energy. Needs to be done chemically.
MoleculeMolecule
Definition: smallest piece of a compound that maintains its properties.
Definition: smallest piece of a compound that maintains its properties.
MIXTUREMIXTUREDefinition: Combination of:
two or more elements ORtwo or more compounds ORelements and compounds
***individual ingredients KEEP THEIR PROPERTIES
***mixtures are NOT pure substances
Definition: Combination of:two or more elements ORtwo or more compounds ORelements and compounds
***individual ingredients KEEP THEIR PROPERTIES
***mixtures are NOT pure substances
SEPARATING MIXTURES: Easily separated physically (evaporation, strainer, pick out pieces, etc.)
SEPARATING MIXTURES: Easily separated physically (evaporation, strainer, pick out pieces, etc.)
Properties of a mixture VARY. (different throughout)
Properties of a mixture VARY. (different throughout)
Which is a mixture? Which is a compound?
Which is a mixture? Which is a compound?
SaladSoilWater (H2O) Salt and pepperOxygenOcean WaterAirVinegar and oil
SaladSoilWater (H2O) Salt and pepperOxygenOcean WaterAirVinegar and oil
Two types of MIXTURESTwo types of MIXTURES Heterogeneous
Unevenly mixedDoes not appear to be the same
throughoutMost mixtures are heterogeneous EXAMPLES: Sand, Trail Mix, Salad Dressing
Homogeneous Evenly mixedAppears to be the same throughout EXAMPLES: Saltwater, Syrup
HeterogeneousUnevenly mixedDoes not appear to be the same
throughoutMost mixtures are heterogeneous EXAMPLES: Sand, Trail Mix, Salad Dressing
Homogeneous Evenly mixedAppears to be the same throughout EXAMPLES: Saltwater, Syrup
mixture of elements ME
element E
mixture of compounds MC
compound C
element E
mixture of elements/compounds MEC
mixture of compounds MC
compound C
mixture of molecules and elements MME
•Mixture of Molecules and Elements (MME)
The Big IdeaThe Big Idea
The Big Idea:atoms (elements) molecules
(compounds)
group together (in different combinations) to form mixtures
The Big Idea:atoms (elements) molecules
(compounds)
group together (in different combinations) to form mixtures
Combine to form
Animations!Animations!
Beautiful Chemistry - atom/molecule animations
ECM Station ActivityECM Station Activity
You will travel to different stations today.At each station, there is a substance.For each station:
Table #Identify object (what is it?)E,C,M (element, compound, mixture?)WHY? (what property/characteristic makes it
an E,C, or M?
You will travel to different stations today.At each station, there is a substance.For each station:
Table #Identify object (what is it?)E,C,M (element, compound, mixture?)WHY? (what property/characteristic makes it
an E,C, or M?
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