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| Atoms can react together, this allows them to form sometimes very large an complex structures. In order for them to form these large molecuels they must form inter molecular forces or bonds which are strong and stable. A covalent bond occurs between atoms in a concept of "elctron sharing". this involves an atom sharing, or donating, one of it's elctrons to another atom. One example of this is the frmation of the molecuel H2. This is formed using a covalent bond, the molecuel is formed due to the overlap of the 1s orbital, as each atom only has one electron to donate they are effectively sharing two electrons at the same time, it is this bonding of molecular orbitals that creates a covalent bond. <references />Mitch fry, M.F, et al., 2008, catch up compendium for medical sciences, Banbury, scion publishing limited<references />
| | See [[Covalent_bond|covalent bond]] |
Revision as of 20:58, 26 November 2011