英语词汇“polar covalent bond”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	polar covalent bond
释义	DictionarySeebond polar covalent bond polar covalent bond [′pō·lər kō′vā·lənt ′bänd] (physical chemistry) A bond in which a pair of electrons is shared in common between two atoms, but the pair is held more closely by one of the atoms. polar covalent bond polar covalent bond A covalent bond in which one atom attracts the shared pair of electrons more strongly than does the other atom, and thus has a slightly negative charge. The atom with the weaker attraction has a slightly positive charge. See also: bond polar covalent bond A chemical bond in which electrons are shared unequally between the two linked atoms. The effect is that one end of the resulting molecule has a slight negative charge while the other end is slightly positive. AcronymsSeePCB
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