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Die großen Widersprüche im Periodensystem.

Die großen Widersprüche im Periodensystem.

Nadéra SETTOUTI

92,37 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Química física
ISBN:
9786208849641
92,37 €
IVA incluido
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Das Periodensystem der Elemente, ist die wichtigste Verallgemeinerung in der Chemie, es wird oft als repräsentativer Sonderfall bei der Untersuchung der Beziehung zwischen Chemie und Physik angesehen. Die Untersuchung von Widersprüchen im Periodensystem war Gegenstand vieler Untersuchungen, wie z.B. die Untersuchung der Position von Lutetium und der Position von Wasserstoff, ohne dass das Problem jedoch geklärt werden konnte. In dieser Arbeit wurde versucht, dieses Problem mit Hilfe des Data-Mining-Ansatzes und unter Anwendung multivariater Analysetechniken wie der Hauptkomponentenanalyse (PCA) und der Regression (PLS) zu lösen. Die Ergebnisse zeigen die große Ähnlichkeit zwischen Lutetium und den Übergangsmetallen der dritten Periode des Periodensystems, was darauf hindeutet, dass die Position von Lutetium unterhalb von Yttrium neben Hafnium liegen muss, während für Wasserstoff festgestellt wurde, dass es mit keiner Gruppe des Periodensystems übereinstimmt, es ist ein besonderes Element.

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