
第三章 组成物质的化学元素
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
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27 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
“化学”一词最早出于清朝的《化学鉴原》一书,该书
把地壳中含量第二的元素翻译成“矽(xi)”,如今把这种“矽”元素
命名为
硒
硅
铝
锡
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列元素中,人体摄入量过低会引起贫血的是
钙
铁
锌
碘
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列说法错误的是
A. 密度最小的气体是H2
B. 地壳中含量最多的金属元素是Al
C. 空气中含量最多的气体是N2
D. 人体内含量最多的金属元素是Fe
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
化学符号是学习化学的重要工具。下列符号中,表示3
个氧原子的是
3O2
O3
3O
2O3
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
生活中的下列物质前者属于纯净物,后者属于单质的是
A. 水泥、镁
B. 食盐、干冰
C. 硫酸亚铁、金刚石
D. 空气、氢气
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
“”北斗”三号卫星导航系统应用了星载氢原子钟和铷
原子钟。铷在元素周期表中的信息如图所示,下列有关铷的说法错
误的是
A. 属于金属元素
B. Rb+核外电子数为36
C. 原子核内有37个质子
D. 相对原子质量为85.47g
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如图是四种微粒的结构示意图,下列有关说法正确
的是
A. ④表示的微粒属于金属元素
B. ①表示的微粒在化学反应中易失电子
C. ①②③④表示四种不同元素
D. ②④所表示的微粒化学性质相似
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