两个原子对共用电子对具有相同的引力时，则形成非极性共价键。
A nonpolar covalent bond happens when both atoms have the same strength of electric attraction for the Shared electrons.
负碳离子，阴碳离子一种阴离子，其中碳带一个负电荷和一个非共用电子对。
An anion in which carbon carries a negative charge and an unshared pair of electrons.
塑料是用来定义由碳原子和其他元素以共用电子对的方式结合而成的聚合树脂连同有机物或者无机物类。
The term plastic is used to define human-made polymer resins containing carbon atoms covalently bonded with other elements, along with organic or inorganic substances.
塑料是用来定义由碳原子和其他元素以共用电子对的方式结合而成的聚合树脂连同有机物或者无机物类。
The term plastic is used to define human-made polymer resins containing carbon atoms covalently bonded with other elements, along with organic or inorganic substances.
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