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Covalent Bond What is it? When two atoms come together in order to share a pair of electrons, a covalent bond is formed. Compounds that have this kind of bonding are called covalent compounds. Give me an example! Every atom needs a specific number of electrons to balance its charge. If the atom is lacking an electron, it can often find another atom in the same fix that will share an electron with it -- forming a covalent bond. Copyright ©2010, PCS Edventures, Inc. All Rights Reserved.