Physics
Senior High
求解!!
(E)選項不懂!!
(A). 物質發生物理變化,下列哪些可以保持
D
E
B
不變?
2Hz0+2 Hz O
→原子距離改变
(A)分子種類(B)分子數目(C)分子排列
(D)原子種類 E 原子數目
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