Matter Has Mass and Takes Up Space. Mixture Varying composition Varying composition Not Chemically...
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Transcript of Matter Has Mass and Takes Up Space. Mixture Varying composition Varying composition Not Chemically...
MatterMatter
Has Mass and Has Mass and Takes Up SpaceTakes Up Space
MixtureMixture Varying composition Varying composition Not Chemically Not Chemically Combined Combined Retain properties of Retain properties of original substanceoriginal substance Separate by Separate by physical means physical means
MixtureMixture
HomogeneousHomogeneousUniform throughoutUniform throughout
Examples:Examples:
ice teaice tea
stainless steelstainless steel
brassbrass
jar of peanutsjar of peanuts
gold jewelrygold jewelry
Homogeneous SolutionsHomogeneous SolutionsSolutionSolutionMixture in which particles are so Mixture in which particles are so
small they cannot be seen and will small they cannot be seen and will not settle to the bottom of their not settle to the bottom of their container.container.
Examples:Examples:
ice teaice tea
WindexWindex
Kool-AidKool-Aid
Coca ColaCoca Cola
vinegarvinegar
MixtureMixture
HeterogeneousHeterogeneous Not Uniform throughoutNot Uniform throughout
Examples:Examples:
trail mixtrail mix
concreteconcrete
dirtdirt
woodwood
milkmilk
Heterogeneous Colloids and Heterogeneous Colloids and SuspensionsSuspensions
ColloidColloidMixture in which a beam Mixture in which a beam of light can be seen as it of light can be seen as it passes throughpasses through
Examples:Examples:
FogFog
MilkMilk
gelatingelatin
SuspensionSuspension Liquid heterogeneous Liquid heterogeneous
mixture in which visible mixture in which visible particles settleparticles settle
Examples:Examples:
muddy watermuddy water
Pepto BismolPepto Bismol
chocolate in milkchocolate in milk
Pure SubstancePure Substance
Constant Constant compositioncomposition
Chemically Chemically CombinedCombined
Separated Separated by chemical by chemical meansmeans
Pure SubstancesPure Substances
Elements Elements – made of one type of atom– made of one type of atom
Pure SubstancePure Substance
CompoundsCompounds – fixed proportion of 2 or – fixed proportion of 2 or more elementsmore elements
Physical PropertiesPhysical Propertiescan be observed without changing can be observed without changing the composition of the substancethe composition of the substance
Physical Property Physical Property & Means of Separation& Means of Separation
viscosityviscosity (fluidity) (fluidity) ex. syrup v. waterex. syrup v. wateruse use decantingdecanting to separate to separate
Physical Property Physical Property & Means of Separation& Means of Separation
conductivityconductivity ex. metal v. plasticex. metal v. plasticuse electric charge to separateuse electric charge to separate
Physical Property Physical Property & Means of Separation& Means of Separation
densitydensity – ex. bowling ball v. basket ball– ex. bowling ball v. basket ball use use decanting & chromatographydecanting & chromatography to to separateseparate
Physical Property Physical Property & Means of Separation& Means of Separation
solubilitysolubility – ex. sugar v. pepper – ex. sugar v. pepper use use dissolving & evaporationdissolving & evaporation to separate to separate
Physical Property Physical Property & Means of Separation& Means of Separation
magnetismmagnetism – ex. iron v. wood – ex. iron v. wood use use magnetic separationmagnetic separation to separate to separate
Physical Physical Property Property
& Means of & Means of SeparationSeparation
melting/melting/boiling boiling pointpoint
ex. ex. water v. copperwater v. copperuse use distillationdistillation to to separateseparate
Physical Property Physical Property & Means of Separation& Means of Separation
particle sizeparticle size – ex. Sand v. boulders – ex. Sand v. boulders use use filtering or screeningfiltering or screening to separate to separate
Chemical PropertyChemical Property
If a substance will or will not undergo a If a substance will or will not undergo a change that will alter the composition of change that will alter the composition of the original substance.the original substance.
Chemical PropertiesChemical Properties
Combustibility/FlammabilityCombustibility/Flammabilityhow easily a substance will burnhow easily a substance will burn
Chemical PropertyChemical Property
OxidationOxidation - Combines with Oxygen - Combines with Oxygenex. Iron rustingex. Iron rusting
Chemical PropertyChemical Property
CorrodeCorrode - to deteriorate due to the action - to deteriorate due to the action of water, air, or an acid of water, air, or an acid
Chemical PropertyChemical Property
DecompositionDecomposition – a compound broken into – a compound broken into its elementsits elementsex. Hydrogen peroxide to water & hydrogenex. Hydrogen peroxide to water & hydrogen
Chemical PropertiesChemical Properties
React with AcidsReact with Acidsex. Copper with nitric acidex. Copper with nitric acid
Chemical PropertyChemical Property
Non-reactiveNon-reactiveex. Gold, noble gasesex. Gold, noble gases