Elementary Chemistry |
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Page 58
... formula of that compound . The formulae BaO , BO ,, Cr , Cl , HI , tell , that barium and oxygen combine to form barium oxide in the ratio 137 : 16 by weight , that boron and oxygen combine in the ratio 22:48 ( = 11 × 2:16 × 3 ) , that ...
... formula of that compound . The formulae BaO , BO ,, Cr , Cl , HI , tell , that barium and oxygen combine to form barium oxide in the ratio 137 : 16 by weight , that boron and oxygen combine in the ratio 22:48 ( = 11 × 2:16 × 3 ) , that ...
Page 60
... the elements . The symbol of an element , then , expresses a definite mass of that element . The formula of a compound expresses the masses of the elements , stated as a certain number of 60 [ CHAP . VI . ELEMENTARY CHEMISTRY .
... the elements . The symbol of an element , then , expresses a definite mass of that element . The formula of a compound expresses the masses of the elements , stated as a certain number of 60 [ CHAP . VI . ELEMENTARY CHEMISTRY .
Page 61
... formula of a compound multiplies the whole of the formula , or if a full stop occurs in the formula the number multiplies all as far as that stop ; sometimes the formula is put in brackets and the multiplier is placed outside the ...
... formula of a compound multiplies the whole of the formula , or if a full stop occurs in the formula the number multiplies all as far as that stop ; sometimes the formula is put in brackets and the multiplier is placed outside the ...
Page 62
... . ws . of hydrogen . The symbol Aq is used here , and generally in this book , to mean a large ( indefinite ) quantity of water ; when placed after the formula of a compound or element it means 62 [ CHAP . VI . ELEMENTARY CHEMISTRY .
... . ws . of hydrogen . The symbol Aq is used here , and generally in this book , to mean a large ( indefinite ) quantity of water ; when placed after the formula of a compound or element it means 62 [ CHAP . VI . ELEMENTARY CHEMISTRY .
Page 63
... formula of a compound also represents a definite mass of the compound , and tells the composition of that definite mass , both in parts by weight , and also in combining weights , of each of the elements by the combination of which the ...
... formula of a compound also represents a definite mass of the compound , and tells the composition of that definite mass , both in parts by weight , and also in combining weights , of each of the elements by the combination of which the ...
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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 Chap chemical change chemical properties chlorine chromium combining weight composed composition copper decomposed definite directly interacting elements and compounds energy 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 vols weight of hydrogen weight of oxygen zinc