A double covalent bond is a type of chemical bond where two atoms share two pairs of electrons. This results in a stronger bond compared to a single covalent bond, as there are more electrons shared between the atoms. Double covalent bonds are typically formed between two nonmetal atoms that have the ability to form multiple bonds, such as carbon, oxygen, and nitrogen. Examples of molecules that contain double covalent bonds include O2 (oxygen gas) and CO2 (carbon dioxide).
