chemical structure

a) The arrangement of chemical bonds between atoms in a molecule (or in an ion or radical with multiple atoms), specifically which atoms are chemically bonded to what other atoms with what kind of chemical bond, together with any information on the geometric shape of the molecule needed to uniquely identify the type of molecule.
b) A graphical representation of such an arrangement. | class="wikitable" style="margin: 1em auto 1em auto; text-align: center;" | | || |- | Chemical structure (definition&nbsp;2) of a P<sub>4</sub>O<sub>10</sub> molecule attempting to show three-dimensional geometry||Simplified representation of the chemical structure of a chlorin molecule in which chemical symbols for carbon and hydrogen atoms are not explicitly shown |

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