Outlines of Theoretical ChemistryLongmans, Green and Company, 1892 - 220 páginas |
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Página 5
... period of quantitative analysis , which begins with this theory , great stress was laid on the investigation of the proportions by weight in which different substances unite together , and thus a new field of research was opened up ...
... period of quantitative analysis , which begins with this theory , great stress was laid on the investigation of the proportions by weight in which different substances unite together , and thus a new field of research was opened up ...
Página 16
... period . § 12. Electrolytic Equivalents . - The electrolytic law of Michael Faraday has been used to insure the uniform deter- mination of equivalent weights . Faraday found that when an electric current is passed through a so - called ...
... period . § 12. Electrolytic Equivalents . - The electrolytic law of Michael Faraday has been used to insure the uniform deter- mination of equivalent weights . Faraday found that when an electric current is passed through a so - called ...
Página 31
... period only a few gaseous compounds were known , and little importance was attached to the manner in which their chemical formulæ were written . About the middle of the present century the necessity of a systematic classification of the ...
... period only a few gaseous compounds were known , and little importance was attached to the manner in which their chemical formulæ were written . About the middle of the present century the necessity of a systematic classification of the ...
Página 53
... the right and left sides meet . The first two periods or series each embrace seven elements . 1 2 3 4 I Li II Na 5 2 ZP Be B C N Mg Al Si Р 609 S TMW 7 Fl CI The corresponding members closely resemble each other - e.g . 118.
... the right and left sides meet . The first two periods or series each embrace seven elements . 1 2 3 4 I Li II Na 5 2 ZP Be B C N Mg Al Si Р 609 S TMW 7 Fl CI The corresponding members closely resemble each other - e.g . 118.
Página 54
... periods . On closer considera- tion , these large periods are found to split up into two smaller periods , in which some of the properties of the elements recur at a shorter interval . This is seen in the following table : 1 2 3 4 5 6 7 ...
... periods . On closer considera- tion , these large periods are found to split up into two smaller periods , in which some of the properties of the elements recur at a shorter interval . This is seen in the following table : 1 2 3 4 5 6 7 ...
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Términos y frases comunes
affinities alcohol amount anion atom of hydrogen atomic heats atomic linking atomic volume atomic weights Avogadro's law benzene Berzelius bodies boiling point bromine calculated carbon atom CH₂ chemical change Chemistry chlorine combination composition consequently constituents contain copper Crown 8vo crystallise decomposed decomposition density determined diffusion dissociation electricity electrolyte elements equivalent weights ether ethyl example exhibit formula freezing point fusible gaseous gases hydrochloric acid hydrogen atoms hydroxyl increases investigated iodide iodine ions isomeric isomorphous kinetic liquid malic acid melting point metals method mixture molecular weight molecules monovalent monovalent atoms nature nitrogen number of atoms number of particles obtained organic compounds oxide oxygen phenomena polyvalent atom potassium produced properties proportion quantity replaced represented salt similar solid solution specific heat stœchiometric substances sulphate sulphur takes place Tellurium theory thermic equivalent tion values vapour velocity weight of hydrogen weight of oxygen whilst Woodcuts