The Atomic TheoryC. Kegan Paul & Company, 1881 - 388 Seiten |
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Seite 29
... adoption of symbols representing these atoms , and grouped in such a manner as to indicate the composi- tion of bodies . Each atom was represented by a small circle bearing a particular sign . This is the origin of chemical notation ...
... adoption of symbols representing these atoms , and grouped in such a manner as to indicate the composi- tion of bodies . Each atom was represented by a small circle bearing a particular sign . This is the origin of chemical notation ...
Seite 41
... adopted at the present day , and which is expressed by the following formulæ : - Two volumes of gas contain- Oxygen Hydrogen Nitrogen Water • • Nitrogen protoxide Nitrogen dioxide Ammonia O2 H · Ng Н20 • N20 NO • · NH , For the first ...
... adopted at the present day , and which is expressed by the following formulæ : - Two volumes of gas contain- Oxygen Hydrogen Nitrogen Water • • Nitrogen protoxide Nitrogen dioxide Ammonia O2 H · Ng Н20 • N20 NO • · NH , For the first ...
Seite 45
... adopted the first hypothesis , allowing himself to be guided by analogy . It seemed to him probable that the condensation of the elements of carbonic acid gas was similar to the condensation of the elements of water . He also at this ...
... adopted the first hypothesis , allowing himself to be guided by analogy . It seemed to him probable that the condensation of the elements of carbonic acid gas was similar to the condensation of the elements of water . He also at this ...
Seite 50
... adopt the same unit for specific weights and atomic weights , and to take as this unit the weight of one volume of hydrogen . The same numbers will thus give the densities of gases and the atomic weights , or a multiple of these weights ...
... adopt the same unit for specific weights and atomic weights , and to take as this unit the weight of one volume of hydrogen . The same numbers will thus give the densities of gases and the atomic weights , or a multiple of these weights ...
Seite 51
... adopted . He remarks that other atomic weights , described as forming excep- tions to Prout's hypothesis , might probably be included in the rule , if , in the process of weighing , account were taken of errors similar to those which he ...
... adopted . He remarks that other atomic weights , described as forming excep- tions to Prout's hypothesis , might probably be included in the rule , if , in the process of weighing , account were taken of errors similar to those which he ...
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Häufige Begriffe und Wortgruppen
12 of carbon acetic acid admit affinity ammonia amyl alcohol amylene analogous anhydride arsenic atom of oxygen atomic heat atomic volumes atomic weights atoms of carbon atoms of chlorine atoms of hydrogen Avogadro and Ampère Berzelius bivalent bromine C₂H carbon atoms CH₂ chemical chemistry chemists chloric acid chlorine combination composition compounds constitution contain copper crystallisation Dalton double Dulong and Petit elements equivalent ethyl hydrate ethylene exist expressed fact fixed formulæ gaseous gases Gay-Lussac Gerhardt groups H₂ hydrochloric acid hypothesis idea iodide iodine isomorphous latter mercury metals molecular volumes molecular weights molecules molecules of water motion nitric acid nitrogen notation number of atoms occupied oxide oxygen particles phosphorus potassium properties proportions protoxide quadrivalent quantity radicals remark represent salts sesquioxides silicon silver simple bodies sodium specific heats sulphate sulphuric acid system of atomic tellurium temperature theory three atoms tion trichloride units of saturation univalent zinc
Beliebte Passagen
Seite 22 - Manchester, and compare it with what it was at the close of the last and the commencement of the present century, we shall find that at that period the useful and industrial arts were comparatively of little importance.
Seite 93 - Sodium Strontium . Sulphur Tantalum . Tellurium . Thallium . Thorium . Tin Titanium . Tungsten . Uranium . Vanadium Yttrium . Zinc Zirconium...