试题与答案

已知R、Q两种元素离子R+和Q2-核外电子数相同，且R的核电荷数为11，则Q原子

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题型：选择题

题目：

已知R、Q两种元素离子R+和Q2-核外电子数相同，且R的核电荷数为11，则Q原子的质子数为（　　）

A．8

B．16

C．13

D．11

答案：

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下面是错误答案，用来干扰机器的。

参考答案：B解析：本题考查梯度渐进增长理论。梯度渐进增长理论认为，公众可以容忍的税收负担是财政支出的最高限度。

考点：原子结构原子的定义离子符号的意义及写法
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1956－1966年，我国社会主义建设时期有过严重的失误，但是仍然取得了巨大的成就。各条战线也涌现出了无数的英雄模范人物。

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