(4分)画出下列短周期元素的原子结构示意图:(1)质量数为23,

(4分)画出下列短周期元素的原子结构示意图:

(1)质量数为23,中子数为12的原子                                            

(2)最外层电子数是次外层电子数3倍的原子                                      

 

答案

解析:

 

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