Short note on Covalent bond with example
Answers
Answer:
Explanation
:A covalent bond in chemistry is a chemical link between two atoms or ions in which the electron pairs are shared between them. A covalent bond may also be termed a molecular bond. Covalent bonds form between two nonmetal atoms with identical or relatively close electronegativity values. This type of bond may also be found in other chemical species, such as radicals and macromolecules. The term "covalent bond" first came into use in 1939, although Irving Langmuir introduced the term "covalence" in 1919 to describe the number of electron pairs shared by neighboring atoms.
The electron pairs that participate in a covalent bond are called bonding pairs or shared pairs. Typically, sharing bonding pairs allows each atom to achieve a stable outer electron shell, similar to that seen in noble gas atoms.
Covalent Bond Examples
A hydrogen molecule, H2, consists of two hydrogen atoms joined by a covalent bond
. Each hydrogen atom needs two electrons to achieve a stable outer electron shell.
The pair of electrons is attracted to the positive charge of both atomic nuclei, holding the molecule together.
Explanation:
the covalent bond is defined as the mutual sharing of electrons in between two atoms of an electrons is known as covalent
EX : I2 , cl2 Br2