The Principles of Chemistry, Volumen2Longmans, Green, and Company, 1891 |
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Página 6
... expressed in their chemical formulæ by the fact that the number of atoms in alumina or aluminium oxide , Al2O3 , is different from the number in magnesia , MgO . Aluminium is trivalent and magnesium bivalent . Thus , having obtained a ...
... expressed in their chemical formulæ by the fact that the number of atoms in alumina or aluminium oxide , Al2O3 , is different from the number in magnesia , MgO . Aluminium is trivalent and magnesium bivalent . Thus , having obtained a ...
Página 7
... expression of the relation in which the atoms occur in the molecules , and the molecules in the mass of a substance . Crystallisation is determined by the distribution of the molecules along the direction of the greatest cohesion , and ...
... expression of the relation in which the atoms occur in the molecules , and the molecules in the mass of a substance . Crystallisation is determined by the distribution of the molecules along the direction of the greatest cohesion , and ...
Página 8
... what a complication the phenomena of dimorphism may introduce into the matter of comparing the forms of analogous compounds . The regularity and simplicity expressed by the exact laws of GROUPING OF THE ELEMENTS AND THE PERIODIC LAW 5.
... what a complication the phenomena of dimorphism may introduce into the matter of comparing the forms of analogous compounds . The regularity and simplicity expressed by the exact laws of GROUPING OF THE ELEMENTS AND THE PERIODIC LAW 5.
Página 8
... expressed by the general formula : ( RO ) MO- ( SiO2 ) 5 , where R = Ca , Mg , Fe , Mn , and M Fe , Al , and where we may have either R and M separately , or their equivalent compounds , or their mixtures in all possible proportions ...
... expressed by the general formula : ( RO ) MO- ( SiO2 ) 5 , where R = Ca , Mg , Fe , Mn , and M Fe , Al , and where we may have either R and M separately , or their equivalent compounds , or their mixtures in all possible proportions ...
Página 10
... expressed both in the sum total of their common relations and in certain details . It is evident that we may expect many fruitful results for molecular mechanics ( which forms a problem common to many provinces of natural science ) from ...
... expressed both in the sum total of their common relations and in certain details . It is evident that we may expect many fruitful results for molecular mechanics ( which forms a problem common to many provinces of natural science ) from ...
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Términos y frases comunes
acetic action alkali alloy alumina aluminium ammonia ammonium analogous anhydride anhydrous antimony arsenic atomic weight barium basic salts boiling boric calcium carbon bisulphide carbonic anhydride cast iron charcoal chemical chloranhydride chromic chromic acid cobalt colour colourless combination composition compounds containing copper corresponding crystalline crystals cupric cupric oxide cuprous cyanide decomposed decomposition density dilute dioxide dissolves double salts easily elements evaporated evolved example ferric oxide ferrous formation fused gives gold heated hydrate hydrochloric acid hydroxide hypophosphorous acid ignited insoluble instance isomorphous lead liquid magnesium manganese manganous mass mercury metals mixture molecules nickel nitrate nitric acid nitrogen obtained ordinary temperature oxidised oxygen periodic law permanganate peroxide phosphoric acid phosphorus platinum potassium powder precipitate presence properties quantity reaction silica silicon silver chloride sodium soluble in water solution specific gravity substance sulphate sulphide sulphuretted hydrogen sulphuric acid sulphurous anhydride tion vapour volatile whilst yellow zinc
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