《化學元素週期表急口令大賽》(C組決賽選擇題)
Quiz
•
Chemistry
•
7th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
1. 前20位元素中,排第8位的是?
氮
鎂
氧
氟
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
2. 骨質疏鬆主要是缺乏哪種元素?
碳
鈣
氖
鈉
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
3. 下列哪種物質常用在泳池水中作消毒殺菌用途?
氫
氯
鈉
氦
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
4. 鉛筆芯的黑色成份是?
碳
泥土
鋰
以上都不是
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
5. 前20位元素中,排第12位元素的化學符號是?
C
O
S
Mg
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
6. 下列哪種物質能導電?
石墨
臭氧
硫磺
紅磷
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
7. 下列哪種物質能作為光合作用的原料?
氯氣
一氧化碳
二氧化碳
氧氣
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