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 consist of small molecules, such as hydrogen or water ____. When drawing outer ____ diagrams, you need to ____ the atoms and draw a pair of electrons in the middle.

S3/N4 Covalent bonding

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