A Text-book of Inorganic ChemistryLongmans, Green, 1903 - 724 страници |
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Страница v
... fact , that although twenty - five years have elapsed since Mendelejeff published this natural system of classification , the method has not been generally adopted as the basis of English elementary text - books . I have endeavoured to ...
... fact , that although twenty - five years have elapsed since Mendelejeff published this natural system of classification , the method has not been generally adopted as the basis of English elementary text - books . I have endeavoured to ...
Страница ix
... facts relating to these elements I am indebted to Travers ' " Experimental Study of Gases . " Descriptions have also been included of a number of recent manufacturing processes ( several being illustrated by new cuts ) , which are now ...
... facts relating to these elements I am indebted to Travers ' " Experimental Study of Gases . " Descriptions have also been included of a number of recent manufacturing processes ( several being illustrated by new cuts ) , which are now ...
Страница 10
... atoms into new molecules ? At present no exact answer can be given to this question . Chemists express the fact by saying that the chemical affinity existing between A and C is greater than that exerted ΙΟ Introductory Outlines I.
... atoms into new molecules ? At present no exact answer can be given to this question . Chemists express the fact by saying that the chemical affinity existing between A and C is greater than that exerted ΙΟ Introductory Outlines I.
Страница 21
... facts are expressed in chemical notation by the use of small numerals placed immediately after the symbol of the atom , thus H2 denotes a mole- cule of hydrogen , O , a molecule of oxygen . The molecule of ozone consists of an ...
... facts are expressed in chemical notation by the use of small numerals placed immediately after the symbol of the atom , thus H2 denotes a mole- cule of hydrogen , O , a molecule of oxygen . The molecule of ozone consists of an ...
Страница 23
... fact is indicated by the use of numerals placed immediately after the symbol to be multiplied : thus , a molecule of water consists of two atoms of hydrogen and one atom of oxygen , the formula for water is therefore H2O . One molecule ...
... fact is indicated by the use of numerals placed immediately after the symbol to be multiplied : thus , a molecule of water consists of two atoms of hydrogen and one atom of oxygen , the formula for water is therefore H2O . One molecule ...
Често срещани думи и фрази
absorbed ammonia ammonium antimony aqueous solution argon arsenic arsenious oxide atmosphere atom of hydrogen atomic weight barium boiling boiling-point bromine burning calcium carbon dioxide carbon monoxide charcoal chemical action chlorine colour colourless combination combustion composition compound condenses containing cooled copper crystallisation crystals decomposed decomposition density dilute dissociation dissolved distillation electric electrolyte elements equation evaporation evolved flame flask fluorine formation formula gaseous gases grammes heated hydrochloric acid hydroxide ignited iodide iodine ions known liquefied liquid litre magnesium marsh gas melts mercury metal mixture molecular weight molecules nitrate nitric acid nitrogen peroxide nitrous obtained ordinary temperatures oxide oxidising oxygen ozone passed phosphorus platinum potassium potassium chlorate precipitated present pressure produced properties proportion reaction readily salt seen shown silver small quantity sodium chloride solid soluble in water specific gravity stream substance sulphate sulphide sulphur dioxide sulphuretted hydrogen sulphuric acid takes place tion trioxide unite vapour vessel volume zinc
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