| In a covalent bond, the two bonded atoms share electrons. Hydrogen forms both polar covalent bonds and nonpolar covalent bonds. It forms a polar bond when it bonds with an element, such as chlorine (Cl), that attracts the shared electrons more strongly than a hydrogen atom, so the electrons spend more time near the chlorine atom. It forms a nonpolar bond when it bonds with another hydrogen atom, or with an atom of an element that attracts electrons with about the same force as the hydrogen does. In this case, neither atom attracts the shared electrons more strongly than the other, and the electrons are shared evenly. |
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