Read Edit View history 原子序数 yuánzǐxùshù atomic number Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 原子序数/原子序數 · yuánzǐxùshù · atomic number 2026/03/04 原子序数 / 原子序數 yuánzǐxùshù atomic number atomic number 氢的原子序数是1。 created sense Mar 4, 2026, 02:25 AM