Elementary Chemistry |
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Page 2
... gives out light ; when the wire is removed from the source of heat it quickly cools , ceases to emit light , and returns to the same condition as before heating . When a piece of magnesium wire or ribbon is brought into the lamp - flame ...
... gives out light ; when the wire is removed from the source of heat it quickly cools , ceases to emit light , and returns to the same condition as before heating . When a piece of magnesium wire or ribbon is brought into the lamp - flame ...
Page 56
... weights , as we are at present using the term combining weight , of the element . The following table gives the names and symbols of the elements . Name . Elements . Mass of element Symbol . expressed Symbols and Formulae.
... weights , as we are at present using the term combining weight , of the element . The following table gives the names and symbols of the elements . Name . Elements . Mass of element Symbol . expressed Symbols and Formulae.
Page 63
... give very incomplete repre- sentations of chemical changes . But nevertheless chemical formulae are of the greatest value , inasmuch as they enable us to exhibit , in a simple and intelligible way , the composition of compounds , and ...
... give very incomplete repre- sentations of chemical changes . But nevertheless chemical formulae are of the greatest value , inasmuch as they enable us to exhibit , in a simple and intelligible way , the composition of compounds , and ...
Page 66
... give some notion of the methods used for determining the value to be given to the reacting weight of a compound . There is no generally applicable chemical method . Each compound must be considered apart from other com- pounds . The ...
... give some notion of the methods used for determining the value to be given to the reacting weight of a compound . There is no generally applicable chemical method . Each compound must be considered apart from other com- pounds . The ...
Page 67
... gives us a means for de- termining the reacting weights of compounds . In addition to the three laws of chemical combination now 87 considered the law of fixity of composition , the law of multiple proportions , and the law of ...
... gives us a means for de- termining the reacting weights of compounds . In addition to the three laws of chemical combination now 87 considered the law of fixity of composition , the law of multiple proportions , and the law of ...
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Common terms and phrases
acids to form affinity alcohol alkali allotropy ammonia ammonium ammonium chloride antimony aqueous solution atom of carbon atom of hydrogen atom of oxygen atomic theory atomic weight basic oxides bismuth bromine chemical change chemical properties chlorine chromium combining weight composed composition copper decomposed definite directly interacting elements and compounds energy expressed form salts gaseous molecules gases gasified grams H₂O H₂SO haloid compounds heat hydrides hydrochloric acid hydrogen and oxygen hydrogen chloride hydroxide interact with acids iodine iron kinds of matter liquid M₂O magnesium mass mercury metals mixture molecular and atomic molecular weight nitric acid nitrogen non-metallic obtained occur oxidised oxygen phosphorus physical potash potassium chloride produced quantity ratio reacting weight reactions represented rubidium selenion shew shewn sodium solid specific gravity structural formulae substances sulphate sulphide sulphuric acid tellurium temperature tube valency weight of hydrogen weight of oxygen zinc