词汇 | atomic number |
释义 | atomic number noun [ C ] chemistry specialized uk/əˌtɒm.ɪk ˈnʌm.bər/ us/əˌtɑː.mɪk ˈnʌm.bɚ/ 原子数(某种化学物质的原子核中质子的数量,用于化学元素周期表中的排序) the number of protons found in the nucleus of an atom of a particular chemical, used as a way of listing the chemical elements in order in the periodic table |
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