Explain chemical bonding -- include why atoms form bonds, difference between ionic and covalent bonds, and an example of each type

Atoms bind because, being united, they acquire a more stable situation than when they were separated and this allows them to exist in nature. This situation of greater stability usually occurs when the number of electrons that possess the atoms in their last level is equal to eight, structure that coincides with that of the noble gases.

Quemical bonding refers to the attraction forces that keep bonded the atoms in compounds, and there are two main types of chemical bonding: ionic and covalent bonding.

Explanation:

1) Ionic bond: results of the electrostatic interaction between ions, that results in the net transfer of one or more electrons from one atoms or group of atoms to other atom.

Example of ionic bond:

Sodium Chloride Na-Cl +, Sodium ion has a positive charge and chlorine ion has a negative charge, so chlorine seats an electron to sodium creating a ionic bond.

2) Covalent bond: In this type of chemical bond two atoms shares one or more pairs of electrons.

Example of covalent bond

Carbon monoxide is an example of a compound that has covalent bond,  one carbon atom and one oxygen atom, linked by a triple bond that consists of two covalent bonds as well as one dative covalent bond.

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