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HSCChemistry?5.024-1A.RoineJune28,200202103-ORC-T24.ELEMENTSMODULEThebasicchemicalandphysicalpropertiesoftheelementshaveadecisiveeffectonthethermochemicalpropertiesofcompounds.Forexample,theelectronegativityvaluesoftheelementshaveastrongeffectonthechemicalbondsbetweentheelementsinallchemicalcompounds.Thereforetheperiodicsystemofelementssetsthebaseforthermochemistry.TheElementsmoduleoffersanelementdatabaseinspreadsheetformatwithsome56differentpropertiesoftheelements.TheusermayeasilyaddhisowndatatothistableinthesamewayasinMSExcelapplications.ThisdatamaybesavedforlaterusebytheFileSaveselection.ThedefaultnameoftheworkbookisElement4.ele.Diagramenablestheusertodrawillustrativediagramsonthebasisoftheselectedpropertyrow.Densityrow7hasbeenselectedintheexampleofFig.1andthediagram,showninFig.2,maybedrawnbypressingDiagram.Thediagramshowsataglancethegreatestandsmallestvaluesintheperiodicsystem.Theexactnumbervaluesbehindthespheresmaybeshownbydoubleclickingtheelementsquareorlabelinthediagram.Thediameterofthesphereshowsthemagnitudeofthevaluecomparedtothemaximumvalue.Themaximumvaluecreatesasphere,whichfitsexactlytotheelementboxinFig.2.TheFixLeft2Columnsselection,Fig.1,fixesthetwoleftcolumns.Thismakesitpossibletoseethepropertyheadingsandunitsforalltheelements,whenscrollingtheelementsheet.ThenormalcopyandpastepropertiesaswellasformatandprintingfunctionsareavailableasinotherHSCmodules.Theworkbookformmayberesizedbydraggingtheformboundariesusingthemouseorfromtheiconsatthetoprightcorneroftheform.HSCChemistry?5.024-2A.RoineJune28,200202103-ORC-TFig.1.TheElementsmodulecontainsseveralbasicpropertiesoftheelements.TheselectedpropertymaybeillustratedingraphicalformatbypressingDiagram.HSCChemistry?5.024-3A.RoineJune28,200202103-ORC-TFig.2.Thepropertiesoftheelementsmaybeillustratedingraphicalformat.Thevaluesofthepropertiesmaybeshownbydoubleclickingtheelement.