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 ... expressed by the exact laws of GROUPING OF THE ELEMENTS AND THE PERIODIC LAW . 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 ... expressed by the exact laws of GROUPING OF THE ELEMENTS AND THE PERIODIC LAW . 7.
Página 8
... expressed by the general formula : ( RO ) M2O3 ( 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 ) M2O3 ( 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 ...
Página 11
... expressed in the crystallo - hydrates , double salts and like com- pounds - although they may be regarded as independent , are , however , most easily understood with our present store of knowledge as aggre- gations of whole molecules ...
... expressed in the crystallo - hydrates , double salts and like com- pounds - although they may be regarded as independent , are , however , most easily understood with our present store of knowledge as aggre- gations of whole molecules ...
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Términos y frases comunes
acetic action alkali alloy alumina aluminium ammonia ammonium analogous anhydride anhydrous antimony aqueous arsenic atomic weight barium basic salts boiling boric boron cadmium calcium carbon bisulphide carbonic acid carbonic anhydride cast iron charcoal chemical chloranhydride chloride chromic acid chromium cobalt colour colourless combination composition compounds containing copper corresponding crystalline crystals cupric cupric oxide cyanide decomposed decomposition dilute dioxide dissolves double salts easily elements evaporated evolved example excess feeble ferrous fluoride formation fused gives heated hydrate hydrochloric acid hydroxide hypophosphorous acid ignited insoluble instance isomorphous lead lead dioxide liquid magnesium manganese manganous mass mercury metals mixture molecules nitrate nitric acid nitrogen obtained ordinary temperature oxidised oxygen peroxide phosphoric acid phosphorus platinum potassium powder precipitate presence properties quantity reaction silica silicon silver sodium soluble in water solution specific gravity substance sulphate sulphide sulphuretted hydrogen sulphuric acid sulphurous anhydride volatile volume whilst yellow zinc
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