当两种或两种以上元素的原子结合在一起时,它们形成什么样的物质?

Chemistry Quiz

Quiz
•
Chemistry
•
6th Grade
•
Hard
chen xiaoxu
FREE Resource
7 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
混合物由什么组成?
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
a. 列举元素硫的两个性质。b. 列举元素铁的三个性质。c. 当铁和硫制成混合物时,当磁铁放在上面时会发生什么?d. 当铁和硫的混合物加入水中时会发生什么?e. 当铁和硫的原子在一起加热时会发生什么?f. 在原子加热时形成什么物质?g. 列举这种新物质的两个性质。
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
a 什么是合金?b 列举一种合金并说明它由什么制成。
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
用来制作:a 磁铁b 飞机机身的合金是什么?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
悬浮液和沉淀物之间有什么区别?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
如果你把一种固体物质放入水中并搅拌,你如何判断这种物质是:a 可溶的b 不溶的?
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