covalentbond

covalent bond

1. 共价键；共价结合；共价键结合

1. 共价的；共价键的

词语辨析

covalent bond与ionic bond（离子键）相对，共价键是通过原子间电子的共享来形成的化学键，而离子键是通过原子间的电子转移形成的。

词汇扩充

covalent bond的形容词形式是covalent，名词形式是covalency。

近义词

共价键的近义词包括：molecular bond（分子键）、electron pair bond（电子对键）。

反义词

共价键的反义词包括：ionic bond（离子键）。

柯林斯词典

covalent bond：a type of chemical bond characterized by the sharing of electrons between atoms in a molecule, usually represented by a line between the atoms.

牛津词典

covalent bond：a chemical bond formed by the sharing of one or more electrons, especially pairs of electrons, between atoms.

用法

Covalent bond is a fundamental concept in chemistry.

相关例句

1. The covalent bond between the two hydrogen atoms is formed by the sharing of electrons.
2. Water molecules are held together by covalent bonds.
3. Carbon dioxide has two double covalent bonds.
4. The strength of a covalent bond is determined by the number of shared electrons.
5. Multiple covalent bonds can exist between two atoms.
6. The covalent nature of the bond allows for the formation of complex organic compounds.
7. Covalent bonds are generally stronger than weak intermolecular forces.
8. The stability of a molecule depends on the strength of its covalent bonds.
9. The formation of a covalent bond releases energy.
10. Covalent bonding is essential for the structure and function of biological molecules.
11. The molecule is held together by covalent forces.
12. Covalent bonds can be represented by Lewis dot structures.
13. The sharing of electrons in a covalent bond leads to the formation of a stable molecule.
14. The covalent bonding in the compound is responsible for its unique properties.
15. The strength of a covalent bond can be measured by bond dissociation energy.
16. Covalent bonding enables the formation of intricate three-dimensional structures.
17. The properties of a substance are influenced by the type of covalent bonds it contains.
18. Covalent bonding allows for the formation of a wide variety of chemical compounds.
19. Hydrogen bonding is a special type of covalent bond.
20. Covalent bonds can be polar or nonpolar depending on the electronegativity difference between atoms.