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1、Chapter1 ChemistryandMeasurementCopyright©CengageLearning.Allrightsreserved.1
2、2ChemistryThestudyofthecompositionandstructureofmaterialsandofthechangesthatmaterialsundergo.Copyright©CengageLearning.Allrightsreserved.1
3、3ExperimentAnobservationofnaturalphenomenacarriedo
4、utinacontrolledmannersothattheresultscanbeduplicatedandrationalconclusionsobtained.Copyright©CengageLearning.Allrightsreserved.1
5、4LawAconcisestatementormathematicalequationaboutafundamentalrelationshiporregularityofnature.Copyright©CengageLearning.Allrightsreserved.1
6、
7、5HypothesisAtentativeexplanationofsomeregularityofnature.TheoryAtestedexplanationofabasicnaturalphenomenon.Copyright©CengageLearning.Allrightsreserved.1
8、6ScientificMethodResultsHypothesisExperimentsCopyright©CengageLearning.Allrightsreserved.1
9、7MatterWhateveroccupie
10、sspaceandcanbeperceivedbyoursenses.MassThequantityofmatterinamaterial.Copyright©CengageLearning.Allrightsreserved.1
11、8LawofConservationofMassThetotalmassremainsconstantduringachemicalchange(chemicalreaction).Copyright©CengageLearning.Allrightsreserved.1
12、9StatesofMatte
13、rSolid:characterizedbyrigidity;fixedvolumeandfixedshape.Liquid:relativelyincompressiblefluid;fixedvolume,nofixedshape.Gas:compressiblefluid;nofixedvolume,nofixedshape.Copyright©CengageLearning.Allrightsreserved.1
14、10Copyright©CengageLearning.Allrightsreserved.1
15、11Phys
16、icalChangeAchangeintheformofmatterbutnotinitschemicalidentity.Forexample:MeltingDissolvingCopyright©CengageLearning.Allrightsreserved.1
17、12ChemicalChange=ChemicalReactionAchangeinwhichoneormorekindsofmatteraretransformedintoanewkindofmatterorseveralnewkindsofmatter.Fo
18、rexample:RustingBurningCopyright©CengageLearning.Allrightsreserved.1
19、13PhysicalPropertyAcharacteristicthatcanbeobservedforamaterialwithoutchangingitschemicalidentity.Forexample:PhysicalstateBoilingpointColorCopyright©CengageLearning.Allrightsreserved.1
20、14ChemicalProp
21、ertyAcharacteristicofamaterialinvolvingitschemicalchange.Forexample:AbilitytoreactwithoxygenAbilitytoreactwithfluorineCopyright©Cen
