有四种不同堆积方式的金属晶体的晶胞如图所示，有关说法正确的是_刷题宝

题干

有四种不同堆积方式的金属晶体的晶胞如图所示，有关说法正确的是（）

A：①为简单立方堆积②为六方最密堆积③为体心立方堆积④为面心立方最密堆积

B：每个晶胞含有的原子数分别为：①1个，②2个，③2个，④4个

C：晶胞中原子的配位数分别为：①6，②8，③8，④12

D：空间利用率的大小关系为：①＜②＜③＜④

上一题下一题 0.0难度选择题更新时间:2019-09-15 04:41:21

答案(点此获取答案解析）

B

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如图所示，是生活中____现象．（选填“静电”或“磁”）

同类题2

下列实验能获得成功的是

同类题3

氯的原子序数为17，³⁵Cl是氯的一种同位素，下列说法正确的是

同类题4

解：①∵∠B=____；

∴AB∥CD（____）；

②∵∠BGC=____；

∴CD∥EF（____）；

③∵AB∥EF；

∴∠B+____=180°（____）．

同类题5

阅读短文，选出合适的选项。

My grandfather is fifty-five years old. He's a taxi driver. He loves his job very much. It is Sunday. Today is his birthday. My father, my mother and I are in his home. My uncle also comes here. He's a tall man. He's a worker. He comes to see my grandfather every Sunday. My grandfather has a good friend. His name is Jim. He's from England. He's a nice cook. He comes to see him, too. My grandfather is very happy today.

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