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Consejo Nacional de Humanidades, Ciencias, y Tecnologías (Spanish for National Council of Humanities, Sciences, and Technologies; abbreviated CONAHCYT) is Mexico's entity in charge of the promotion of scientific and technological activities, setting government policies for these matters, and granting scholarships for postgraduate studies.
[1] [2] At creation in 1882 the museum was named Museo Martorell de Arqueología y Ciencias Naturales [1] [2] (Spanish for "Martorell Museum of Archaeology and Natural Sciences") and was the first building in the history of Barcelona to be designed as a museum. [3]
The natural sciences continued to be called natural philosophy, but the adoption of the scientific method took science beyond the realm of philosophical conjecture and introduced a more structured way of examining nature. [66] Newton, an English mathematician and physicist, was a seminal figure in the scientific revolution. [69]
In chemistry, the intimate ion pair concept, introduced by Saul Winstein, describes the interactions between a cation, anion and surrounding solvent molecules. [1] In ordinary aqueous solutions of inorganic salts, an ion is completely solvated and shielded from the counterion.
In his Metaphysical Foundations of Natural Science, Kant has given us the most beautiful examples of this kind of presentation, without, however, drawing attention to it himself." [1] Kurt Gödel was influenced by Metaphysische Anfangsgründe der Naturwissenschaft. Gödel studied it while a member of the Vienna Circle.
The museum traces back its origin to the Real Gabinete de Historia Natural , created in 1771 by Charles III. The gabinete was refounded as Real Museo de Historia Natural in 1815. [1] It changed names until its current denomination, [2] received in 1913. [3] The museum originally hosted a collection donated by a Spanish merchant, Pedro F ...
In 1941 Van Arkel recognised three extreme materials and associated bonding types. Using 36 main group elements, such as metals, metalloids and non-metals, he placed ionic, metallic and covalent bonds on the corners of an equilateral triangle, as well as suggested intermediate species.
Metallic bonding is a type of chemical bonding that arises from the electrostatic attractive force between conduction electrons (in the form of an electron cloud of delocalized electrons) and positively charged metal ions.