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Section 4.1
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1
Which of the following best describes matter?
A)anything that can be seen without the aid of a microscope
B)anything that has mass
C)anything that occupies a space
D)anything that has mass and occupies space
2
The particle theory of matter states that…
A)particles repel each other.
B)particles are always moving.
C)all matter is made of many large particles.
D)pure substances are composed of similar particles to other pure substances.
3
An example of a pure substance is…
A)particles repel each other.
B)particles are always moving.
C)all matter is made of many large particles.
D)pure substances are composed of similar particles to other pure substances.
4
An element…
A)cannot be broken down further.
B)can be broken down further.
C)can be broken down only by physical methods.
D)can be broken down only by chemical methods.
5
Why is titanium oxide classified as a compound?
A)It contains only one type of element.
B)It contains two or more different elements.
C)It contains two different elements that cannot be separated.
D)It contains oxygen that allows it to bind with other materials.





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