周期定律 zhōuqīdìnglǜ periodic law Definitions Defs Origin Strokes Stroke Words Sentences Sents 周期定律 週期定律 zhōuqīdìnglǜ periodic law scientific law stating that the physical and chemical properties of elements recur in a systematic and predictable way when the elements are arranged in order of increasing atomic number Cross-References Same as 周期律 zhōuqīlǜ
周期定律 週期定律 zhōuqīdìnglǜ periodic law scientific law stating that the physical and chemical properties of elements recur in a systematic and predictable way when the elements are arranged in order of increasing atomic number Cross-References Same as 周期律 zhōuqīlǜ
