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  1.  11
    The Case of Phonons: Explanatory or Ontological Priority.Hernán Lucas Accorinti, Sebastian Fortin, Manuel Herrera & Jesús Alberto Jaimes Arriaga - unknown
    Recent discussions about the microstructure of materials generally focus on the ontological aspects of the molecular structure. However, there are many types of substances that cannot be studied by means of the concept of molecule, for example, salts. For the quantum treatment of these substances, a new particle, called phonon, is introduced. Phonons are generally conceived as a pseudo-particle, that is, a mathematical device necessary to perform calculations but which does not have a "real" existence. In this context, the aim (...)
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    Incompatible Models in Chemistry: The Case of Electronegativity.Hernán Lucas Accorinti - 2019 - Foundations of Chemistry 21 (1):71-81.
    During the second half of the nineteenth century, electronegativity has been one of the most relevant chemical concepts to explain the relationships between chemical substances and their possible reactions. Specifically, EN is a property of the substances that allows them to attract external electrons in bonding situations. The problem arises because EN cannot be measured directly. Indeed, the only way to measure it is through different properties that do can be directly measured, for instance enthalpy, ionization energies or electron affinities. (...)
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