double bond
复数形式
double bonds
1
双键, 键双
a type of chemical bond between two atoms involving the sharing of two pairs of electrons, resulting in a stronger and more stable connection than a single bond
- Ethylene (C₂H₄) contains a double bond between two carbon atoms, allowing it to participate in polymerization reactions.
乙烯（C₂H₄）含有两个碳原子之间的双键，使其能够参与聚合反应。
- Unsaturated fats have double bonds between carbon atoms in their hydrocarbon chains, contributing to their liquid state at room temperature.
不饱和脂肪在其碳氢链中的碳原子间有双键，这有助于它们在室温下保持液态。
- The double bond in oxygen gas (O₂) consists of two pairs of shared electrons, making it a stable diatomic molecule.
氧气（O₂）中的双键由两对共享电子组成，使其成为一个稳定的双原子分子。
- In organic chemistry, molecules like formaldehyde (CH₂O) contain double bonds between carbon and oxygen atoms.
在有机化学中，像甲醛（CH₂O）这样的分子含有碳原子和氧原子之间的双键。
- Double bonds are essential in the formation of aromatic compounds like benzene, which contains alternating single and double bonds between carbon atoms.
双键在形成苯等芳香族化合物中至关重要，苯中含有碳原子之间交替的单键和双键。