In my research, the definition of electronegativity,”Electronegativity: A chemical property that describes the tendency of an atom to attract electrons (or electron density) toward itself.”-(https://courses.lumenlearning.com/boundless-chemistry/chapter/electronegativity/) Electronegativity had been discovered by Linus Pauling in the year of 1932. Initially, electronegativity was well discovered in 1809 and had existing information, until Pauling had taken electronegativity findings into his own hands. Pauling describes electronegativity as, “The power of an atom in a molecule to attract electrons to itself.”The higher electronegativity of an element, that means the more the atoms pull electrons towards itself, or away from other atoms. For electronegativity to increase, you move from left to right, bottom to top on the periodic table. Pauling came up with calculations, which is, Bond energies = (x-y) Measures – (x-y) Expected. If the electronegativity of x and y are equal, then that means that they would expect the measured bond energy to equal the expected bond energy, and the bond energies would be equal to zero. If the electronegativities of atoms are not equal, they would become a polar molecule, where one atom would start to pull electron density toward itself, causing it to become negative. To conclude, electronegativity has impacted scientific applications. Scientist were able to identify that electronegativity differences between two atoms that are interacting with one another and determine the interaction between the two. When atoms with an electronegativity difference are greater than two elements that are combined together, the bond that is formed is an ionic bond, which is that the element has a negative charge. When atoms with electronegativity differences they are joined together, that bond is a covalent bond, in which the electrons are shared by both atoms. In chemistry, the electronegativity of an element can help determine how much it will want, to either lose or gain electrons in a chemical reaction. It can either be ionic, polar, or nonpolar.
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