3.1原子的构成—2021-2022学年化学鲁教版（五四制）八年级全一册随堂小测
※题型：单选题※知识点：单选题※试题难度：较易<br>下列有关原子的说法正确的是( )<br>A.原子中的质子数与中子数一定相等<br>B.原子的质量主要集中在原子核中<br>C.原子是不能再分的最小微粒<br>D.原子不显电性是因为在原子中不存在带电荷的微粒<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/37da880bf32542e39657dfbcb69f9cd7/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列关于相对原子质量的说法中,正确的是( )<br>A.相对原子质量的单位是克<br>B.与其他原子质量相比较的数值<br>C.一个原子的质量<br>D.与一种碳原子质量的<img src="https://picture2.zhihuicn.com/testImage/2/2020/8/24/ACA7C04417D36EDAA7E5956D8FABFEC4.png"><br>相比较所得的值<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/a03ec0235f254eea9cb49f1c58431490/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/3fa63f3ff18f4dfd86534ef9c5ed2d92/4AF5EE13962D3EED013C64444DE5EC26.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>“悟空”号卫星上的计算机被太空中带正电的某些粒子击中,导致“死机”,在遥控指令下,计算机重新启动,卫星恢复正常。带正电的粒子可能是( )<br>A.原子核,质子 B.原子核,中子 C.电子,原子核 D.电子,质子<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/9a4f8af882f146e191716a16cfa1b298/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/0670d1bcd1ea4b9b9794b0b9a7823c31/13B2187AAAC6C43B8E47DE4281630613.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>某元素的粒子结构示意图为<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/17/51E525AC6FDF90EB05E2A074F4BC598B.png"><br>,该微粒符号可表示为<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/17/A5016FA52EE3C1CB58B6F7DB73888831.png"><br>,则<br>m<br>的值为( )<br>A.6 B.8 C.10 D.12<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/e319a5e794204f3e9fa6422c158e3780/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/51e838bf76554f21a880fcfe9d2bf067/556AE9C6438397E9B0CC019042496708.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列粒子结构示意图中,表示相对稳定结构的原子的是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/11/A156323BA74E0CFAF209B00D02E7CEB6.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/11/D0A5390F408FEDFD7A3F2B05DA757DCC.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/11/109358338B50EEA8F1F8E38B90FE945B.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2021/6/11/1547DB8490C6BC7F807E621865F22307.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2021/42c95bd7bc4b47e99b6fbc3ce9182552/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2021/699734e8b5234a2a8252514ae45eadad/65C174254FE6925186B7CC71ECC2F980.png"><br><br>
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