Chemical News and Journal of Industrial Science, Tomy 121-122Chemical news office., 1920 |
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Strona 2
... elements in the above table is necessi- tated by the scheme , and this agrees with that given by the atomic numbers . Argon resembles beryllium in its composition , having apparently three outriders Cobalt and nickel have isotopes of ...
... elements in the above table is necessi- tated by the scheme , and this agrees with that given by the atomic numbers . Argon resembles beryllium in its composition , having apparently three outriders Cobalt and nickel have isotopes of ...
Strona 7
... elements of the complex become independent , the group would pass for one unit factor . The sex - com- plex is an ... element may drop out . The plausible suggestion that the new terms are only rare cross - overs in a closely linked ...
... elements of the complex become independent , the group would pass for one unit factor . The sex - com- plex is an ... element may drop out . The plausible suggestion that the new terms are only rare cross - overs in a closely linked ...
Strona 9
... elements , and Chapter XLIII . with the metallic elements . Organic Chemistry is introduced into the book only so far as to give a clear idea of the subject under discussion ; for instance , in Chapter XXXII . , on Fats , Soaps , and ...
... elements , and Chapter XLIII . with the metallic elements . Organic Chemistry is introduced into the book only so far as to give a clear idea of the subject under discussion ; for instance , in Chapter XXXII . , on Fats , Soaps , and ...
Strona 20
... element occurs in emery . Emery mined in America has as low as 10 per cent corundum . The chief im- purity of emery is magnetic iron oxide . Alundum abrasives contain more than 92 per cent of this cutting element , and a special alundum ...
... element occurs in emery . Emery mined in America has as low as 10 per cent corundum . The chief im- purity of emery is magnetic iron oxide . Alundum abrasives contain more than 92 per cent of this cutting element , and a special alundum ...
Strona 29
... elements as lithium , carbon , or neon . The two theories can , however , be reconciled if we consider that the electrons , as a result of forces which they exert on one another , rotate about certain definite positions in the atom ...
... elements as lithium , carbon , or neon . The two theories can , however , be reconciled if we consider that the electrons , as a result of forces which they exert on one another , rotate about certain definite positions in the atom ...
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