Molecules other than organic molecules. Inorganic molecules are generally simple and are not normally found in living things. Although all organic substances contain carbon, some substances containing carbon, such as diamonds, are considered inorganic.
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| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |