| 单词 | ionic bond |
| 释义 | ionic bond noun[C] chemistryspecializedukusachemicalbondin which twoionsarejoinedtogether because one has apositivechargeand the other anegativecharge 离子键（由正负离子相连而形成的化学键）Chemistry - general words
ionic bond| American Dictionaryionic bond noun[C] us/ɑɪˈɑn·ɪk ˈbɑnd/chemistry achemicalbond(=forcethatholdsatomstogether)in which twoionsarejoinedbecause one has apositiveelectricalchargeand the other anegativecharge Examplesofionic bondionic bond The two oppositely charged ions attract one another, and theionicbondis the electrostatic force of attraction between them. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.This produces anionicbondwith covalent character. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.So they make a strongionicbondin between them to form nucleosome. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.In the case of aluminium iodide anionicbondwith much covalent character is present. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.To form anionicbond, either a valence or bonding electron separates from one atom and becomes attached to another atom to form oppositely charged ions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Thus, the rare gas halide molecules are formed by anionicbondsince the excited electron of the noble gas is partly transferred to the halogen atom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Hard acids are acids with relatively ionic bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.In general, compounds with ionic bonds have high normal boiling points, if they do not decompose before reaching such high temperatures. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.To allow the movement, all ionic bonds along the plane have to be broken. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Most insulators (or dielectric materials) are held together by ionic bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Atoms and complexes connected by non-covalent bonds such as hydrogen bonds or ionic bonds are generally not considered single molecules. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Ionic bonds may be seen as extreme examples of polarization in covalent bonds. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Alkaline earth difluorides possess strong ionic bonds but are insoluble save for beryllium difluoride, which also exhibits some covalent character and has a quartz-like structure. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Also, ionic bonds are not the strongest bonds, and halides can not normally scratch glass plates. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The ions interfere with the weak ionic bonds of proteins. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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