下列物质化学式书写正确的是

题干

下列物质化学式书写正确的是（）

A：铝：AL

B：氯化钾：KCl₂

C：硫酸铜：CuSO₄

D：四氧化三铁：O₄Fe₃

上一题下一题 0.0难度选择题更新时间:2018-08-26 12:02:55

⑴What did you do last night?____ A. I got there by bus.

⑵How tall are you?____ B. I'm 1.60 metres.

⑶How did you get there?____ C. I went to the Great Wall.

⑷Where did you go last weekend?____ D. I hurt my leg.

⑸What happened to you yesterday?____ E. I watched TV.

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