The Nineteenth Century and After, Volume 116Leonard Scott Publishing Company, 1934 |
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Pagina 200
... substance produced in sodium was about 7 seconds , while that of the phosphorus substance was about 40 minutes . He deduced that the sodium substance was probably a radioactive form of aluminium , while the phosphorus substance was a ...
... substance produced in sodium was about 7 seconds , while that of the phosphorus substance was about 40 minutes . He deduced that the sodium substance was probably a radioactive form of aluminium , while the phosphorus substance was a ...
Pagina 202
... substance with a half - life of about 3 minutes , and the disintegration electrons were photographed . Chlorine gave a substance with a half - life much longer than that of any other substance produced in the series of experiments ...
... substance with a half - life of about 3 minutes , and the disintegration electrons were photographed . Chlorine gave a substance with a half - life much longer than that of any other substance produced in the series of experiments ...
Pagina 203
... substance is not one of these , what can it be ? Perhaps it is a uranium atom that has incorporated part of a neutron , and increased its mass from 92 to 93 units . Such a substance should have chemical properties resembling those of ...
... substance is not one of these , what can it be ? Perhaps it is a uranium atom that has incorporated part of a neutron , and increased its mass from 92 to 93 units . Such a substance should have chemical properties resembling those of ...
Inhoudsopgave
ANGELL Sir Norman | 136 |
CARR Philip | 205 |
SABATIER Frédéric | 211 |
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