| 单词 | chemical bond |
| 释义 | chemical bond (once / 295483 pages) n WORD FAMILY chemical bond: chemical bonds USAGE EXAMPLESMany of the hair relaxers and dyes contained lye which is used to break down chemical bonds in hair. Time(Dec 06, 2016) The radiation breaks the gasses’ chemical bonds, forming radicals, which in turn, are broken apart and recombined by radiation. New York Times(Sep 14, 2016) But they could not watch the actual dynamics of the process because the breaking and shifting of chemical bonds occurred too quickly. New York Times(Aug 05, 2016) n an electrical force linking atoms Syn|Hypo|Hyper bond covalent bond a chemical bond that involves sharing a pair of electrons between atoms in a molecule cross-link, cross-linkagea side bond that links two adjacent chains of atoms in a complex molecule hydrogen bonda chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond electrostatic bond, electrovalent bond, ionic bonda chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion metallic bonda chemical bond in which electrons are shared over many nuclei and electronic conduction occurs peptide bond, peptide linkagethe primary linkage of all protein structures; the chemical bond between the carboxyl groups and amino groups that unites a peptide double bonda 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 attraction, attractive force the force by which one object attracts another |
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