Chinese translation for "period 4 element"

第4周期元素

Similar Words：

"period (= half-life)" Chinese translation, "period (periodic table)" Chinese translation, "period 1 element" Chinese translation, "period 2 element" Chinese translation, "period 3 element" Chinese translation, "period 5 element" Chinese translation, "period 6 element" Chinese translation, "period 7 element" Chinese translation, "period 8 element" Chinese translation, "period 9 element" Chinese translation