题目
题型:不详难度:来源:
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答案
核心考点
举一反三
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![魔方格](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022174332-72993.png)
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(1)氩气______;
(2)某气体在空气中占78%(体积百分含量),表示出它的8个分子______;
(3)某种带一个单位负电荷的阴离子有9个质子,它可能是______;
(4)
![魔方格](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022174324-32792.png)
与
![魔方格](http://img.shitiku.com.cn/uploads/allimg/20191022/20191022174325-82395.png)
两种离子形成的化合物的化学式是______;
(5)温度计中填充的金属是______;
(6)地壳中含量最多的金属元素______.
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