Chemical News and Journal of Industrial Science, Tomy 139-140Chemical news office., 1929 |
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Strona 231
MASS NUMBERS OF THE CHEMICAL ELEMENTS AND OBSERVATIONS ON ELEMENT FORMATION.- FOURTH NOTE . By F. H. LORING . In my last note ( 3rd ) particular attention was drawn to the absence of elements of Groups I and VII in the radioactive ...
MASS NUMBERS OF THE CHEMICAL ELEMENTS AND OBSERVATIONS ON ELEMENT FORMATION.- FOURTH NOTE . By F. H. LORING . In my last note ( 3rd ) particular attention was drawn to the absence of elements of Groups I and VII in the radioactive ...
Strona 277
... elements as follows : the electron arrangement of one , namely , the outermost shell or orbit ; while the elements of Division B involve the electron arrangements of two ( or three ) shells or orbits . The number of electrons in these ...
... elements as follows : the electron arrangement of one , namely , the outermost shell or orbit ; while the elements of Division B involve the electron arrangements of two ( or three ) shells or orbits . The number of electrons in these ...
Strona 83
... elements in platinum ores in appreciable amounts was subsequently denied by Zvjaginstsev , and Prandtl cast doubt upon the presence of these elements in columbites . Nevertheless , I. and W. Noddack have since been able to obtain enough ...
... elements in platinum ores in appreciable amounts was subsequently denied by Zvjaginstsev , and Prandtl cast doubt upon the presence of these elements in columbites . Nevertheless , I. and W. Noddack have since been able to obtain enough ...
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THE CHEMICAL NEWS | 18 |
Professor Leonard Hill on Right | 24 |
By DR W TOMBROCK | 129 |
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