Das Periodische System der Elemente und seine Lücken

Noddack, Ida

doi:10.1002/ange.19340472002

Cited by 26 publications

(4 citation statements)

References 17 publications

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“…A definitive demonstration that the Noddacks' views were outmoded would then be exemplified by Ida's lecture of 1934 addressing the gaps in the Periodic Table , where she stubbornly clung to the old definition of the elements based on atomic weight, rather than atomic numbers, thus giving priority to isotopes, not to elements. 5 My reading of the ensemble of Ida's original articles does not square with these standard interpretations. The discovery of rhenium was duly recognized as an achievement of the Noddacks, as various references in the literature confirm.…”

Section: Ida the Element Hunter?mentioning

confidence: 99%

A tale of oblivion: Ida Noddack and the ‘universal abundance’ of matter

Santos

2014

Notes Rec.

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Ida Noddack was a German chemist who in 1925, with her husband Walter Noddack, discovered element 75 (rhenium) and possibly element 43 (technetium). She is also known to have anticipated, by nine years, the possibility of nuclear fission. This article focuses on Ida's hypothesis that all elements are present in any mineral. Ida related the relative abundance of the elements in the Universe to hypothetical properties of the atomic nuclei. This allowed her to speculate about a different Periodic Table in which isotopes might be the cause of unexpected features of periodicity. Ida Noddack faced many professional obstacles because of her scientific nonconformity and gender, the resentment of physicists against intrusion in their field, and the overall difficulty of research under and after the Nazi regime.

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Section: Ida the Element Hunter?mentioning

confidence: 99%

A tale of oblivion: Ida Noddack and the ‘universal abundance’ of matter

Santos

2014

Notes Rec.

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“…Blank spaces include elements 61, 85, and 87, as well as the transuranium elements 93–96. From “Das periodische System der Elemente und seine Lücken,” by I. Noddack, , Angewandte Chemie , 47 , 301–305, p. 301…”

Section: Two Texts On the Periodic Systemmentioning

confidence: 99%

A tale of resilience: The periodic table after radioactivity and the discovery of the neutron

Tiggelen

Lykknes

2019

Centaurus

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After 150 years of scientific developments, the periodic system of chemical elements is still an icon of modern science.Its resilience is striking. The icon used today by scientists and teachers is in fact the outcome of many rearrangements and reinterpretations by the scientific community during that period. This success is often explained as a result of the underlying atomic structure, discovered in the first decades of the 20th century, an explanation that completely neglects the fine structure of the process of ongoing renegotiation and successive stabilizations. How did indeed contemporary scientists navigate in times of reinterpretation? The physicist Lise Meitner and the chemist Ida Noddack were, in different ways, involved in discoveries and interpretations of the periodic system. In 1934, as part of the celebration of the centenary of Dmitri Mendeleev's birth, they each published an article on the system: Meitner in Die Naturwissenschaften, and Noddack in Angewandte Chemie. These two articles, written from the perspectives of a nuclear physicist and a chemist experienced in searching for undiscovered elements, respectively, constitute excellent sources for understanding what new discoveries and insights meant for the meaning and value of the periodic system at the very beginning of the nuclear age in science.Through an analysis of the two contributions, we will argue that resilience is the foremost value of the periodic system.

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“…E não é insustentável por razões epistemológicas, mas sim históricas. A química analítica alemã, Ida Tacke Noddack, publicou na revista alemã Angewandte Chemie 38 , pouco tempo depois do trabalho de 1933-34 de Fermi, um artigo que apresenta uma alternativa à existência dos elementos transurânicos. Noddack não usa o termo "fissão nuclear", mas explica o processo, antecipando os resultados de Strassmann e Hahn.…”

Section: Fermi E Os Transurânicosunclassified

Da fissão nuclear aos elementos transurânicos

Silva

2019

RBHC

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Com a publicação do artigo de Einstein de 1905 acerca da equivalência entre massa e energia iniciou-se um novo programa de pesquisa. As tentativas de confirmação da teoria exigiam o bombardeamento de núcleos atômicos, culminando, na década de 1940, com a vindicação de descoberta da fissão nuclear. O físico italiano Enrico Fermi teria obtido tal resultado em seu laboratório em Roma antes do grupo alemão de Hahn, Strassman e Meitner. Ainda assim, negou a hipótese da fissão nuclear, apresentada anos antes pela química alemã Ida Tackle Noddack e propôs a descoberta de elementos transurânicos para explicar seus resultados experimentais. Neste artigo investigamos o que levou Fermi a rejeitar a hipótese de Noddack. Defenderemos que apenas uma abordagem complexa que conjugue múltiplos fatores pode nos aproximar de uma compreensão histórica mais arrojada da realidade social da pesquisa científica.

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Das Periodische System der Elemente und seine Lücken

Cited by 26 publications

References 17 publications

A tale of oblivion: Ida Noddack and the ‘universal abundance’ of matter

A tale of oblivion: Ida Noddack and the ‘universal abundance’ of matter

A tale of resilience: The periodic table after radioactivity and the discovery of the neutron

Da fissão nuclear aos elementos transurânicos

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