The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
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Pagina 19
... evidence derived from the kinetic theory of gases that 1 c.c. of a gas contains between 2 × 1019 and 1020 mole- cules . Taking the mean value 6 × 1019 , we find that 1.16 c.c. hydrogen contain 6 · 96 × 1019 molecules , and therefore ...
... evidence derived from the kinetic theory of gases that 1 c.c. of a gas contains between 2 × 1019 and 1020 mole- cules . Taking the mean value 6 × 1019 , we find that 1.16 c.c. hydrogen contain 6 · 96 × 1019 molecules , and therefore ...
Pagina 28
... evidence to show that this is the case ; for there seems to be little doubt that the carriers in the cathode stream convey with them a charge which is the same as that on a negative ion in an ionized gas ; and this we have already seen ...
... evidence to show that this is the case ; for there seems to be little doubt that the carriers in the cathode stream convey with them a charge which is the same as that on a negative ion in an ionized gas ; and this we have already seen ...
Pagina 69
... evidence , the interpretation of which is doubtful . 1 Marshall - Watts , Phil . Mag . ( 6 ) , Vol . V , p . 203 ( 1903 ) ; Vol . VI , p . 64 ( 1903 ) . 2 Runge and Precht , Phil . Mag . ( 6 ) , Vol . VI , p . 698 , ( 1903 ) . CHAPTER ...
... evidence , the interpretation of which is doubtful . 1 Marshall - Watts , Phil . Mag . ( 6 ) , Vol . V , p . 203 ( 1903 ) ; Vol . VI , p . 64 ( 1903 ) . 2 Runge and Precht , Phil . Mag . ( 6 ) , Vol . VI , p . 698 , ( 1903 ) . CHAPTER ...
Pagina 79
... evidence , to be discussed later , to show that the rays from radium are emitted with velocities vary- ing between definite limits . and Recently Mackenzie , 1 Rutherford , 2 Rutherford and Hahn have made an ex- tensive examination of ...
... evidence , to be discussed later , to show that the rays from radium are emitted with velocities vary- ing between definite limits . and Recently Mackenzie , 1 Rutherford , 2 Rutherford and Hahn have made an ex- tensive examination of ...
Pagina 98
... angles to each other ( Fig . 16 ) . This is what would be expected if radium emitted four sets of a rays each with definite ranges . There is much direct and indirect 4 + 75 3.00 2 3 IONIZATION 4 5 evidence 98 THE RADIOACTIVE SUBSTANCES.
... angles to each other ( Fig . 16 ) . This is what would be expected if radium emitted four sets of a rays each with definite ranges . There is much direct and indirect 4 + 75 3.00 2 3 IONIZATION 4 5 evidence 98 THE RADIOACTIVE SUBSTANCES.
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absorption actinium active deposit ALPHA RAYS aluminium atomic weight barium Becquerel bismuth Boltwood cathode rays centimetres charge carried charged particles chemical considered contained corpuscles crystals Curie and Danne deflected density detected discovery effect electric field electrolysis electrometer electroscope emana experiments exposed fact fluorescence formed Fourth Edition gases gramme of radium heat helium hydrogen Illustrations insulated ionization J. J. Thomson known light LL.D Madame Curie magnetic field matter measured metals method minerals nature negative ions negatively charged obtained passing phenomena Phil pitchblende polonium present pressure produced properties quantity of emanation quantity of radium radiation emitted radio radioactive bodies radioactive elements radioactive substances radium bromide radium chloride radium emanation radium salt rate of decay removed Röntgen rays Rutherford Rutherford and Soddy seen separated shown solution temperature thorium thorium emanation tion transformed tube uranium velocity vessel weight of radium wire