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The Our Lady of Corteza Cathedral [1] (Spanish: Catedral de Nuestra Señora de la Corteza) [2] also called Cathedral of Acarigua-Araure, or Parish Cathedral of Our Lady of Corteza is a religious building belonging to the Catholic Church and is located in the city of Acarigua-Araure in Portuguesa state in the plains region South American country of Venezuela.
A covalent bond forming H 2 (right) where two hydrogen atoms share the two electrons. A covalent bond is a chemical bond that involves the sharing of electrons to form electron pairs between atoms.
Freshly prepared aqua regia to remove metal salt deposits Freshly prepared aqua regia is colorless, but it turns orange within seconds. Here, fresh aqua regia has been added to these NMR tubes to remove all traces of organic material.
Torre del Agua in Zaragoza. The Torre del Agua (Spanish: Water Tower) is a 76-metre-high (249 ft) tower built at the Expo 2008 site in Zaragoza, Spain. It was designed by Enrique de Teresa and constructed of concrete, steel and glass. Seen from above, the structure has a droplet-of-water shape.
Part of the pure rotation absorption spectrum of water vapour Rotating water molecule. The water molecule is an asymmetric top, that is, it has three independent moments of inertia.
The colours indicate the age of oceanic crust, wherein lighter indicates younger age, and darker indicates older age. The lines represent tectonic plate boundaries.
In a hydrogen bond, the electronegative atom not covalently attached to the hydrogen is named the proton acceptor, whereas the one covalently bound to the hydrogen is named the proton donor.
In coordination chemistry, a coordinate covalent bond, [1] also known as a dative bond, [2] dipolar bond, [1] or coordinate bond [3] is a kind of two-center, two-electron covalent bond in which the two electrons derive from the same atom.