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which of the following is correct in a Lewis diagram!?

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which of the following is correct in a Lewis diagram!?
悬赏分：10 - 离问题结束还有 14 天 23 小时
Ⅰ The electrons are represented by dots.
Ⅱ Only valence electrons are represented.
Ⅲ The electrons are shown in different shells.
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A.ⅠandⅡonly
B.ⅠandⅢonly
C.ⅢandⅡonly
D.Ⅰ,ⅢandⅡonly
请翻译一下全部的中文,再做下题目并解释下
我没学过啊！！！
我见过这个图
请翻译一下全部的中文，再做下题目并解释下 ]
请翻译一下全部的中文，再做下题目并解释下 ]
请翻译一下全部的中文，再做下题目并解释下 ]
which of the following is correct in a Lewis diagram!?
这是与化学有关的题目.大概是如何图示电子分层结构.
下面的关于Lewis图的描述中哪个是正确的?
I 电子用点表示.
II 只有价态电子在图上表示出来.
III 电子用不同的壳层表示
老实说,这些知识我都交还给老师了.给个不能肯定的答案:C
which of the following is correct in a Lewis diagram!? Which of the following sentences is correct?A.In the teacher Which of the following sentences is correct? Which of the following is correct? Of the following which is correct? Which of the following is Not Correct? Which of the following statements is correct? Which of the following is correct?A.He is an English .B.He i which form of the following sentances is correct 急求解析Which of the following sentences is correct? 1.Which of the following sentences is correct? 问一个选择题!Which of the following sentences is CORRECT?A. The Ya