Development of Chemistry.ppt
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Development of Chemistry.ppt
DevelopmentofChemistry(3)了解现代化学的发展及趋势。本章内容1.1从经验到科学1.1.1古代的化学实践3酿造、染色和油漆中国酿酒、酿醋;古埃及和古罗马的麦酒、葡萄酒(涉及发酵技术、酶催化反应)中国古代染丝技术;古代埃及为亚麻布染色(涉及染料着色技术)中国古代漆器技术(利用天然物质制做防腐涂层的技术)4造纸、火药中国:公元2世纪,蔡伦改进、发展了造纸技术并组织规模生产中国:唐末宋初,制造黑火药(其主要成分是硝酸钾、硫磺和木炭的混合物。)5炼丹术和炼金术中国:始于秦汉直到唐宋,炼丹术(
chemistry.doc
ElectronsinAtoms16.01Thevariousmodelsoftheatomhaveevolvedslowlyoverthepast200yearsEmissionspectraandLineAbsorptionspectragivefurthercluestothebehaviourofelectronsintheatom.PlanckandEinsteinshowedthatelectromagneticradiationisemittedorabsorbedasastreamofsm
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Chemistry——TheElementC12IB(3)Joseph王昭宸CarbonItistheHYPERLINK"http://en.wikipedia.org/wiki/Chemical_element"chemicalelementwithsymbolC,HYPERLINK"http://en.wikipedia.org/wiki/Atomic_number"atomicnumber6andtheHYPERLINK"http://en.wikipedia.org/wiki/Ato
Metallic Chemistry.ppt
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WriteyournamehereSurnameOthernamesCentreNumberCandidateNumberEdexcelGCEChemistryAdvancedUnit4:GeneralPrinciplesofChemistryI–Rates,EquilibriaandFurtherOrganicChemistry(includingsynopticassessment)Wednesday27January2010–MorningPaperReferenceTime:1hour40minu