States of MatterStates of Matter

• The The statestate or or phasephase that that matter is in matter is in refers to the refers to the physical physical arrangement of arrangement of particles in particles in mattermatter

• Temperature Temperature can cause this can cause this to changeto change

[http://www.nasa.gov/images/content/147515main_phases_large.jpg]

States of MatterStates of Matter

• SolidSolid• Usually high Usually high

densities. densities. (greater than (greater than 1.0 g/mL)1.0 g/mL)

• Holds its own Holds its own shape.shape.

States of MatterStates of Matter

• LiquidLiquid• Usually high Usually high

density (around density (around 1.0 g/mL)1.0 g/mL)

• Takes shape of Takes shape of the container the container holding it.holding it.

States of MatterStates of Matter

• GasGas• Low density Low density

(less than (less than 0.001 g/mL)0.001 g/mL)

• Will expand to Will expand to fit the container fit the container holding it.holding it.

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States of MatterStates of Matter

• PlasmaPlasma• Ionized gas at Ionized gas at

high high temperature.temperature.

• Low densityLow density• Will expand to Will expand to

fit the container fit the container holding it.holding it.

[http://pluto.space.swri.edu/IMAGE/glossary/sun_loops1.gif]

Types of MatterTypes of Matter

• A A typetype or or classclass matter matter refers to refers to what the what the matter is matter is composed composed of.of.

Types of MatterTypes of Matter

• ElementsElements are the purest are the purest substances known.substances known.

• They contain all the same type They contain all the same type of atom.of atom.

Click here for individual element videos

Types of MatterTypes of Matter

• CompoundsCompounds are are combinations combinations of atoms that of atoms that are “bonded” are “bonded” together.together.

[http://www.cybered.net/library/Teaching_Resources/Chemistry/Naming_Chemical_Compounds/Image_Gallery/NamingChem-Compounds.jpg]

Types of MatterTypes of Matter

• MixturesMixtures are different are different types of matter that types of matter that are are notnot “bonded” to “bonded” to each other.each other.

• Heterogeneous Heterogeneous mixturesmixtures have two or have two or more visible parts.more visible parts.

[http://www.chemistry.org/portal/a/c/s/1/resources/ACS/ACSContent/wondernet/images/wn_float_oil.jpg]

Types of MatterTypes of Matter

• HomogeneouHomogeneous mixturess mixtures look the look the same same throughout.throughout.

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Properties of MatterProperties of Matter

• Physical PropertiesPhysical Properties• Observed without changing the Observed without changing the

identity of the matter.identity of the matter.• Density, Color, Mass, Density, Color, Mass,

Temperature…Temperature…

Properties of MatterProperties of Matter

• Chemical PropertiesChemical Properties• Observed by altering the Observed by altering the

identity of the matteridentity of the matter• Flammability, Corrosion, pHFlammability, Corrosion, pH

Changes in MatterChanges in Matter

• Physical ChangesPhysical Changes can be used to can be used to separate types of separate types of matter. (usually matter. (usually mixtures!)mixtures!)

• The matter is the The matter is the same, only the same, only the form it is in form it is in changes.changes.

Changes in MatterChanges in Matter

• Chemical Chemical ChangesChanges change the change the identity of the identity of the matter.matter.

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