原创力文档- 1、本文档共39页，可阅读全部内容。
- 2、原创力文档（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
- 3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
Chapter2TheChemistryofWaterEnvironments
LifeWateristheenvironmentoflifeWateramoderatelyreactiveliquidWater,H2OisamoleculemadeupoftwohydrogenatomshavingarelationshipwithoneOxygenatomAbout70%ofthebodyiswater
Atoms,thebuildingblocksofmoleculeshavestructurewhichdeterminestheirbehaviorTheNucleusiselectricallypositive.ElectronsinorbitaroundthenucleusareelectricallynegativeWhenpositivesandnegativesareequaltheatominneutral
ThePeriodicTableofatoms
AllOrbitsareFullAtomswithfullorbitsdonothaverelationshipswithotheratoms
SharingElectronsandMakingMoleculesAlmostemptyH2agasmoleculeHalffull/empty
88MoleculescanbemadebysharingmorethanoneelectronNeedstobefull21O2agasmolecule
H2O,sharingamongstunequalatoms-++Theresultisanmoleculewithelectricalpolarity
H2O:AStructuredLiquidWatermolecules“play”witheachotherbecauseofpolarity
H+andOH-(ionsindividualswithelectricalcharge)OH-H+HydrogenionsPullingWaterMoleculesApartReactivity!!!!
Acids:MoreandmoreinequalityandionsReactivity!!:Charges“play”withtherelationshipsbetweenatomsandmoleculesHydrochloricacidH2OChlorideionHydrogenion
Salts:MoreIonsOuterShell178FullSharing1+7=8(Full)NaCl
PutNaClintowaterandyougetions
Manyions++++++-Eg.NaCl,LiCl,MgCl2,CaCl2,FeCl2Fe++
OrganicMolecules:TheMoleculeofLife(stablerelationshipsbetweenatomsCarbonNitrogenOxygen432Hydrogen
OrganicMoleculesSugarsAminoAcidsFatsNucleicAcids
OtherAtomsinOrganicmoleculesP,Fe,I,S
Fats:arelationshipbetweenequalsSaturatedfatsUnsaturatedfatsOILandwaterdon’tmix!!!!!
GeneticInformationThedirectionsforwhenandhowtomakespecificproteinsEverycellofthebodycontainsafullcopyofALLthedirection(cloning)Thedifferencebetweenonecelltypeinanotheristhepartofthedirectionsthattheyread(express)
ACell
文档评论（0）