| 单词 | covalent bond |
| 释义 | covalent bond (once / 11819311 pages) n WORD FAMILY covalent bond USAGE EXAMPLESBut non-covalency had yet to be accepted along with covalent bond formation as a tool of equal synthetic capability. Scientific American(Jul 03, 2013) Each sugar-phosphate unit is joined to the next by a tough covalent bond, which needs a lot of energy to break. BBC(Apr 24, 2013) Locklin and his colleagues sprayed the substance onto materials and exposed them to ultraviolet light, which causes a covalent bond with the host material. Forbes(Jul 09, 2011) n a chemical bond that involves sharing a pair of electrons between atoms in a molecule Hypo|Hyper double bond a covalent bond in which two pairs of electrons are shared between two atoms coordinate bond, dative bonda covalent bond in which both electrons are provided by one of the atoms bond, chemical bond an electrical force linking atoms |
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