| 单词 | relative atomic mass |
| 例句 | Because of these characteristics, the elements are arranged into the periodic table of elements, a chart of the elements that includes the atomic number and relative atomic mass of each element. Concepts of Biology 2013-04-25T00:00:00Z Thus, in the modern periodic table, the elements are arranged according to their atomic number - not their relative atomic mass. Happy birthday, periodic table 2019-01-28T05:00:00Z |
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