The Radioactive Substances: Their Properties and BehaviourK. Paul, Trench, Trübner & Company, Limited, 1908 - 301 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 28
Pagina 17
... hydrogen , in which gas the ions move much more quickly . In damp air the nega- tive ions appear to move more slowly than in dry air , but the velocity of the positive ions is almost unaffected by the presence of mois- C ture . This is ...
... hydrogen , in which gas the ions move much more quickly . In damp air the nega- tive ions appear to move more slowly than in dry air , but the velocity of the positive ions is almost unaffected by the presence of mois- C ture . This is ...
Pagina 18
... hydrogen at normal tem- perature and pressure , and this amount of gas occupies 11.2 litres . Hence 1 electro- magnetic unit liberates 1.16 c.c. hydrogen at normal temperature and 18 THE RADIOACTIVE SUBSTANCES.
... hydrogen at normal tem- perature and pressure , and this amount of gas occupies 11.2 litres . Hence 1 electro- magnetic unit liberates 1.16 c.c. hydrogen at normal temperature and 18 THE RADIOACTIVE SUBSTANCES.
Pagina 19
... hydrogen contain 6 · 96 × 1019 molecules , and therefore 1.39 x 1020 atoms . Now these atoms carry 1 electromagnetic unit of electricity , which is equivalent to 3 × 1010 electrostatic units . Hence each atom of hydrogen carries ...
... hydrogen contain 6 · 96 × 1019 molecules , and therefore 1.39 x 1020 atoms . Now these atoms carry 1 electromagnetic unit of electricity , which is equivalent to 3 × 1010 electrostatic units . Hence each atom of hydrogen carries ...
Pagina 23
... hydrogen ion in electrolysis , and it may therefore be concluded that these two charges are , in fact , equal . THE RATIO OF THE CHARGE TO THE MASS OF THE CATHODE RAYS When a current of electricity is passed through a rarefied gas at a ...
... hydrogen ion in electrolysis , and it may therefore be concluded that these two charges are , in fact , equal . THE RATIO OF THE CHARGE TO THE MASS OF THE CATHODE RAYS When a current of electricity is passed through a rarefied gas at a ...
Pagina 27
... hydrogen ion in electrolysis . Hence , assuming the same charge to be carried by the negative particle in the cathode rays , the mass of the particles must be about 10 % of the mass of the hydrogen ions in electrolysis for which = 10 ...
... hydrogen ion in electrolysis . Hence , assuming the same charge to be carried by the negative particle in the cathode rays , the mass of the particles must be about 10 % of the mass of the hydrogen ions in electrolysis for which = 10 ...
Alte ediții - Afișează-le pe toate
Termeni și expresii frecvente
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