The New Encyclopaedia Britannica, Volume 24Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 241
... chemical elements and the substances in which it is present in combination with other elements . Hydrogen is the most abundant element in the Galaxy , and although it makes up only about 0.1 percent of the Earth's crust , it is present ...
... chemical elements and the substances in which it is present in combination with other elements . Hydrogen is the most abundant element in the Galaxy , and although it makes up only about 0.1 percent of the Earth's crust , it is present ...
Page 457
... chemistry 18 : 605h isomerism , structural , the existence of sub- stances with the same chemical composition and molecular weight but with different physi- cal and chemical properties because of varia- tions in the structures of their ...
... chemistry 18 : 605h isomerism , structural , the existence of sub- stances with the same chemical composition and molecular weight but with different physi- cal and chemical properties because of varia- tions in the structures of their ...
Page 460
... chemical element weight variability 4 : 116b .chemical reaction mechanism study 4 : 150g hydrogen types and properties 9 : 96a hydrologic movement studies 9 : 114f • mass numbers and carbon configuration 4 : 169c mass spectrometric ...
... chemical element weight variability 4 : 116b .chemical reaction mechanism study 4 : 150g hydrogen types and properties 9 : 96a hydrologic movement studies 9 : 114f • mass numbers and carbon configuration 4 : 169c mass spectrometric ...
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