Radical theory is an obsolete scientific theory in chemistry describing the structure of organic compounds. The theory was pioneered by Justus von Liebig, Friedrich Wöhler and Auguste Laurent around 1830 and is not related to the modern understanding of free radicals.[1][2] In this theory, organic compounds were thought to exist as combinations of radicals that could be exchanged in chemical reactions just as chemical elements could be interchanged in inorganic compounds.
https://en.wikipedia.org/wiki/Radical_theory
https://en.wikipedia.org/wiki/Superseded_theories_in_science
https://en.wikipedia.org/wiki/Caloric_theory
https://en.wikipedia.org/wiki/Redox
https://en.wikipedia.org/wiki/Phlogiston_theory
The phlogiston theory is a superseded scientific theory that postulated the existence of a fire-like element called phlogiston (/flɒˈdʒɪstən, floʊ-, -ɒn/)[1][2] contained within combustible bodies and released during combustion. The name comes from the Ancient Greek φλογιστόν phlogistón (burning up), from φλόξ phlóx (flame). The idea was first proposed in 1667 by Johann Joachim Becher and later put together more formally by Georg Ernst Stahl. Phlogiston theory attempted to explain chemical processes of weight increase such as combustion and rusting, now collectively known as oxidation, and was abandoned before the end of the 18th century following experiments by Antoine Lavoisier and others. Phlogiston theory led to experiments which ultimately concluded with the discovery of oxygen.
https://en.wikipedia.org/wiki/Phlogiston_theory
Insufficient Time to Complete Theory, Large number of critics with increasing evidence-consolidation-organization-indoctrination-agglomerate-etc. for future point time theory/idea/school of thought/modern/etc., missing evidence/wrongful interpretation/etc. of retired-old-etc. theory and by modern person/critic/etc., narrow-biased-misleading-etc. interpretation of (old-retired-uncomplete-etc.) theory without appreciation/understanding/consideration/etc., world simplification by non-identified/disclosed/etc. technological advancement, consolidation of ideas and structure for public education modern contemporary USA society versus past-foreign person in past-foreign society, etc., changing human genome and model accommodates, etc..
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