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Single Idea 17416

[filed under theme 27. Natural Reality / F. Chemistry / 3. Periodic Table ]

Full Idea

The prevailing reductionist climate implies that quantum mechanics inevitably provides a more fundamental explanation for the periodic system.

Gist of Idea

Orthodoxy says the periodic table is explained by quantum mechanics

Source

Eric R. Scerri (The Periodic Table [2007], 08 'Concl')

Book Ref

Scerri,Eric R.: 'The Periodic Table' [OUP 2007], p.224


A Reaction

Scerri has argued that chemists did much better than physicists in working out how the outer electron shells of atoms worked, by induction from data, rather than inference from basic principles.


The 17 ideas with the same theme [arrangement of modern elements in a pattern]:

Mendeleev focused on abstract elements, not simple substances, so he got to their essence [Mendeleev, by Scerri]
Mendeleev had a view of elements which allowed him to overlook some conflicting observations [Mendeleev]
The periodic table not only defines the elements, but also excludes other possible elements [Azzouni]
Generally it is nuclear charge (not nuclear mass) which determines behaviour [Hendry]
Elements were ordered by equivalent weight; later by atomic weight; finally by atomic number [Scerri]
Moseley showed the elements progress in units, and thereby clearly identified the gaps [Scerri]
Moseley, using X-rays, showed that atomic number ordered better than atomic weight [Scerri]
Some suggested basing the new periodic table on isotopes, not elements [Scerri]
Elements are placed in the table by the number of positive charges - the atomic number [Scerri]
Pauli explained the electron shells, but not the lengths of the periods in the table [Scerri]
Elements in the table are grouped by having the same number of outer-shell electrons [Scerri]
Orthodoxy says the periodic table is explained by quantum mechanics [Scerri]
To explain the table, quantum mechanics still needs to explain order of shell filling [Scerri]
Since 99.96% of the universe is hydrogen and helium, the periodic table hardly matters [Scerri]
The best classification needs the deepest and most general principles of the atoms [Scerri]
Mendeleev systematised the elements, and also gave an account of their nature [Weisberg/Needham/Hendry]
Chemistry just needs the periodic table, and protons, electrons and neutrinos [New Sci.]