Science and Life: Aberdeen AddressesJ. Murray, 1920 - 229 páginas This work is a collection of addresses and articles written at Aberdeen University regarding the interaction between science and society. |
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Página 102
... bismuth is 208 , but the writer was unable to find in a special examination of over 20 kilograms of a certain thorium mineral even a trace of bismuth , though there was 0.3 per cent . of lead . This definitely rules bismuth out . In the ...
... bismuth is 208 , but the writer was unable to find in a special examination of over 20 kilograms of a certain thorium mineral even a trace of bismuth , though there was 0.3 per cent . of lead . This definitely rules bismuth out . In the ...
Página 103
... and alone concerned in this phenomenon . The same outer and inner shells - that is , the same kind of atom to the older knowledge - may contain demonstrably Gold · 197.2 Mercury 200.6 Thallium 204.0 Lead 207.2 Bismuth.
... and alone concerned in this phenomenon . The same outer and inner shells - that is , the same kind of atom to the older knowledge - may contain demonstrably Gold · 197.2 Mercury 200.6 Thallium 204.0 Lead 207.2 Bismuth.
Página 104
Aberdeen Addresses Frederick Soddy. Gold · 197.2 Mercury 200.6 Thallium 204.0 Lead 207.2 Bismuth 208.0 different nuclei . Matter is of indefinitely more kinds than the chemist and his Periodic Law have dis- closed . The places in the ...
Aberdeen Addresses Frederick Soddy. Gold · 197.2 Mercury 200.6 Thallium 204.0 Lead 207.2 Bismuth 208.0 different nuclei . Matter is of indefinitely more kinds than the chemist and his Periodic Law have dis- closed . The places in the ...
Página 106
... bismuth , occupying successive places without gaps , as the figure shows . To get gold from mercury , expel from the atom of mercury one B - particle , which will make thallium , then one a - particle , which will turn the thallium into ...
... bismuth , occupying successive places without gaps , as the figure shows . To get gold from mercury , expel from the atom of mercury one B - particle , which will make thallium , then one a - particle , which will turn the thallium into ...
Página 127
... bismuth and tellurium , was characterised as an element of the sulphur family occupying the vacant place contiguous to bismuth . Actinium , by its resemblance in chemical character to the rare earths , and especially to lanthanum ...
... bismuth and tellurium , was characterised as an element of the sulphur family occupying the vacant place contiguous to bismuth . Actinium , by its resemblance in chemical character to the rare earths , and especially to lanthanum ...
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a-particle Aberdeen actinium active ancient animal Arts atomic number atomic weight B-ray bismuth branch British Science Guild Carnegie Trust cent century chemical character chemical elements chemist chemistry classical coal commercial education conception creative definite direction discovery disintegration electricity electrons emanation energy evolved existence expelled experimental external Faculty FREDERICK SODDY fundamental H. H. Asquith helium hitherto human ideals inanimate universe investigation ionium isotopes J. J. Thomson knowledge known labour lead living mass material means mechanism ment million mind minerals modern nation nature original past Periodic Law periodic table philosophy physical pitchblende polonium practical present problem processes pure quantity radio-elements radioactive change radium radium-C recognised regard religion scientific study Scotland Soddy spectroscopic spectrum spirit study and research subjects successive teaching technical or commercial thallium thought tion to-day transmutation truth ultimate University of Aberdeen uranium and thorium wealth whole