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Matter and Atomic Structure — Test Answers

23 verified answers
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Which of these statements best identifies the particle that is labeled with an cap x ?

A
It is either a nucleus or a proton.
B
It is either a neutron or an electron.
C
It is either an electron or a nucleus.
D
It is either a proton or a neutron.
24
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Based on the given information, what is the best classification for this sample of crude oil?

A
a pure compound
B
a mixture
C
an element
D
a pure substance
25

Which statement is true with respect to the investigation?

A
The student investigated only the chemical properties of lead.
B
The student investigated only the physical properties of lead.
C
The student investigated more chemical properties than physical properties of lead.
D
The student investigated more physical properties than chemical properties of lead.

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