单词	diatomic
释义	diatomic /ˌdʌɪəˈtɒmɪk / adjective Chemistry Consisting of two atoms: only diatomic molecules are easy to study in this way, as larger molecules invariably fragment... A covalent compound is held together by covalent bonds (a covalent bond holds two atoms together to create diatomic molecules, such as H 2 or N 2. In a covalent diatomic molecule, a difference in the electronegativity of the atoms will result in a dipole moment. However, many elements appear as diatomic molecules, as a result of attraction between individual atoms.
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