英语词汇“first quantum number”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	first quantum number
释义	first quantum number n. The quantum number that specifies the size of the orbital of an electron in an atom and indicates in which shell the electron is located, beginning with the number 1 for the smallest shell, the orbital closest to the nucleus. Also called principal quantum number.
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