Science, Volume 69, Issues 1775-18001929 |
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Results 1-5 of 47
Page 7
... atoms exist in the laboratory or in a star , and the interpretation of observational results has acquired a sound and rational basis . We know , for example , why stars of different temperatures show different spectral lines , although ...
... atoms exist in the laboratory or in a star , and the interpretation of observational results has acquired a sound and rational basis . We know , for example , why stars of different temperatures show different spectral lines , although ...
Page 9
... atoms and electrons , with radiation gradually forcing its way to the surface ; further , he pointed out that the masses of stars , which are found by observation not to vary greatly , ranged about the point where radiation pressure ...
... atoms and electrons , with radiation gradually forcing its way to the surface ; further , he pointed out that the masses of stars , which are found by observation not to vary greatly , ranged about the point where radiation pressure ...
Page 20
... atoms . It reverts , to be sure , to one of the arrangements of Mendeléeff , later revised by Thom- son , with short periods of eight elements and long II III I IN 20 He Li 3 | + ព Ne Na Mg 10 12 V VI VII 35 C N 0 F 6 7 বহু 13 14 P ...
... atoms . It reverts , to be sure , to one of the arrangements of Mendeléeff , later revised by Thom- son , with short periods of eight elements and long II III I IN 20 He Li 3 | + ព Ne Na Mg 10 12 V VI VII 35 C N 0 F 6 7 বহু 13 14 P ...
Page 21
... atoms . ( 4 ) The rare - earths still seem to be intruders ; but this is only because the long period of 32 elements indicated by the structure of the atoms is , to avoid clumsiness , not shown in the table . ( 5 ) The triplets now ...
... atoms . ( 4 ) The rare - earths still seem to be intruders ; but this is only because the long period of 32 elements indicated by the structure of the atoms is , to avoid clumsiness , not shown in the table . ( 5 ) The triplets now ...
Page 22
... atom ; it is so light that it would take 1027 of them ( 1 followed by 27 ciphers ) to weigh one gram . The sizes of atoms and of their nuclei , as measured by the closest approach of other atoms or of other nuclei , are also ...
... atom ; it is so light that it would take 1027 of them ( 1 followed by 27 ciphers ) to weigh one gram . The sizes of atoms and of their nuclei , as measured by the closest approach of other atoms or of other nuclei , are also ...
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