Mass spectra and isotopes
2023-10-02 09:10:00
Nobel Lecture, December 12, 1922
Название на английском языке
Mass spectra and isotopes
Язык (русский, белорусский, английский)
English
Автор(ы) на английском языке
Francis W. Aston
Аннотация на английском языке
Dalton's statement of the Atomic Theory, which has been of such incalculable value in the development of chemistry, contained the postulate that "atoms of the same element are similar to one another, and equal in weight". The second part of this postulate cannot, in general, be tested by chemical methods, for numerical ratios are only to be obtained in such methods by the use of quantities of the element containing countless myriads of atoms. At the same time it is somewhat surprising, when we consider the complete absence of positive evidence in its support, that no theoretical doubts were publicly expressed until late in the nineteenth century...
Дата публикации
1922-12-12
Количество страниц, число рисунков, число таблиц
14