The digital data making up an image is stored in a file. The raw digital information for an image takes up a considerable amount of space. For example a 10 by 8 inch colour print scanned at 600 dpi (dots per inch) will result in about 85.5 Mb (Megabytes) of raw data.
Covalent bonding is a form of chemical bonding between two non metallic atoms which is characterized by the sharing of pairs of electrons between atoms and other covalent bonds.
Covalent bonding - giant covalent structures Giant covalent structures contain a lot of non-metal atoms, each joined to adjacent atoms by covalent bonds covalent bonds: A covalent bond between atoms forms when atoms share electrons to achieve a full outer shell of electrons..