What Does Covalent Mean?


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The word covalent is usually used in Chemistry. Covalence is the chemical bond between atoms. It is a kind of bonding shared among one or more pairs of electrons between atoms to create a force which holds the molecules together. In a covalent bond, two atoms share one or more pairs of valence electrons to give the stability attribute to every atom, akin to that of an inert gas (elements like helium, argon, krypton, xenon belonging to O of the periodic table).

The chemical bond formed by sharing the valence electrons with neighboring atoms is known as a covalent bond. The valence electron is an electron in an external shell of an atom that can chemically bond with other atoms. In a covalent bond, the outer electron shell of the atoms which take part in the chemical reaction gets filled. Non metals are seen to participate in covalent bonding more readily compared to the metals because the former have the power have the power to attract electron willingly (electro-negativity). The concept of covalent bonding was first put forth on paper by Gilbert Lewis in the year 1916.

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