Covalent ____ occurs between non-metal ____. In covalent bonds atoms share pairs of ____. By sharing electron ____, this means that each atom has a full ____ shell. Covalent bonds are ____. Substances containing covalent bonds may consist of small molecules, such as Hydrogen or water ____. Or they may be giant structures like ____. When drawing ____ bonds, you use a single line to represent a ____ covalent bond. A double ____ is formed when two pairs of electrons are shared, and is represented by a ____ line. A triple bond is formed when ____ pairs of electrons are shared, and is represented by a triple line.

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