Elementary Chemistry |
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Page 24
On the other hand , some elements e . g . boron and nitrogen , combine directly
only with a comparatively small number of other elements . To state the name of
an element is to state the composition of the element : the name is a short symbol
...
On the other hand , some elements e . g . boron and nitrogen , combine directly
only with a comparatively small number of other elements . To state the name of
an element is to state the composition of the element : the name is a short symbol
...
Page 88
If we can find an element which combines directly with nitrogen when heated in
that gas , we should expect that element to form a compound with nitrogen when
strongly heated for some time in air . We need not go into details regarding ...
If we can find an element which combines directly with nitrogen when heated in
that gas , we should expect that element to form a compound with nitrogen when
strongly heated for some time in air . We need not go into details regarding ...
Page 93
Oxygen combines directly with many elements ; compounds 121 of oxygen with
every other element , except bromine and fluorine , have been prepared , either
by direct combination , or as the results of several chemical changes .
Oxygen combines directly with many elements ; compounds 121 of oxygen with
every other element , except bromine and fluorine , have been prepared , either
by direct combination , or as the results of several chemical changes .
Page 94
Pbo , Pb 6 . , Pb 6 , PbO , Hydrogen combines directly with a few elements , the
combination usually occurs at moderately high temperatures : thus , 2H + S (
molten ) = H S ; H + Br ( heated ) = HBr ; 2C + 2H ( by passing electric sparks ) =
C , H ...
Pbo , Pb 6 . , Pb 6 , PbO , Hydrogen combines directly with a few elements , the
combination usually occurs at moderately high temperatures : thus , 2H + S (
molten ) = H S ; H + Br ( heated ) = HBr ; 2C + 2H ( by passing electric sparks ) =
C , H ...
Page 116
The elements chlorine , bromine , and iodine , combine directly with hydrogen , to
form the compounds HX , where X = Cl , Br , or I . Hydrogen chloride , HCl , is
formed by exposing a mixture of equal volumes of hydrogen and chlorine to ...
The elements chlorine , bromine , and iodine , combine directly with hydrogen , to
form the compounds HX , where X = Cl , Br , or I . Hydrogen chloride , HCl , is
formed by exposing a mixture of equal volumes of hydrogen and chlorine to ...
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acid action added alkali aqueous solution atomic weight basic bismuth bodies bromine called carbon chemical change chlorine combining weight composed composition compounds contain copper decomposed definite Demy determined dioxide directly dissolves easily Edited elements energy equal erbium exist experiment expressed formula gaseous molecules gases given grams haloid heat hydrated hydrides hydrogen hydroxides interact iodine iron kinds of matter known lead less liquid magnesium marked mass meaning mercury metals method mixture molecular weight molecule negative nitric nitrogen Notes obtained occur oxide oxidised oxygen passed phosphorus physical placed positive potash potassium prepared present probably produced properties quantity ratio reacting weight reactions regarding relations relative remains represented salts separated shew silver similar sodium solid solution specific substances sulphide sulphur sulphuric acid temperature term theory values vols volume whole