单词 | periodic table |
释义 | periodic tablesingular noun In chemistry, the periodic table is a table showing the chemical elements arranged according to their atomic numbers. periodic table in British English (ˌpɪərɪˈɒdɪk) noun a table of the elements, arranged in order of increasing atomic number, based on the periodic law. Elements having similar chemical properties and electronic structures appear in vertical columns (groups) periodic table in American English an arrangement of the chemical elements according to their atomic numbers, to exhibit the periodic law Examples of 'periodic table' in a sentence |
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