主族元素原子半径变化规律(pm) 30 140 B C O F 152111.38677.2706664154 CI A 186160143.111711010499188 k(Ca a G s e 232197135128121117114202 248215167151145142133216 ②@@@ 265217.3170175154.7164 2/26/2021 22/26/2021 2 主族元素原子半径变化规律(pm)