This page explains covalent bonds as attractions between nonmetal atoms sharing valence electrons, which form molecules and covalent compounds like water. These bonds stabilize atoms by filling their ...This page explains covalent bonds as attractions between nonmetal atoms sharing valence electrons, which form molecules and covalent compounds like water. These bonds stabilize atoms by filling their outer energy levels. Diatomic molecules, such as oxygen, consist of two atoms sharing multiple electron pairs. Covalent bonds are typically stronger than ionic bonds, and covalent compounds do not conduct electricity.