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Topic 4 Composition of Matter - Review

Authored by Mary Chu

Chemistry

9th Grade

Topic 4 Composition of Matter - Review
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of an element?

A pure substance consisting of only one type of atom.

A mixture of two or more substances.

A substance that can be broken down into simpler substances by chemical means.

A compound formed by the combination of two or more elements.

2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the definition of a compound?

Evaluate responses using AI:

OFF

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A substance composed of elements must be an element.

True

False

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following substances are composed of molecules?

Water

Carbon dioxide

Benzene

Iron

5.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of the following substances are composed of atoms?

Oxygen

Iron

Diamond

Table salt

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

下列物质中由离子组成的有哪些?

氧化钠

氯化钾

盐酸

硫酸铜

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列不属于微粒性质的是

微粒(体积和质量)很小

微粒无时无刻的不不断运动

微粒间有一定空隙

分子是保持物质化学性质的最小微粒

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