Question 1
The mass is
The amount of substance.
The amount of space taken up.
The attraction due to gravity.
The amount of substance divided by the amount of space taken up.
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Question 2
The volume is
The amount of substance.
The amount of space taken up.
The attraction due to gravity.
The amount of substance divided by the amount of space taken up.
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Question 3
The weight is
The amount of substance.
The amount of space taken up.
The attraction due to gravity.
The amount of substance divided by the amount of space taken up.
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Question 4
The density is
The amount of substance.
The amount of space taken up.
The attraction due to gravity.
The amount of substance divided by the amount of space taken up.
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Question 5
The mass is measured in
Grams, g
Liters, L
Meters, m
g/ml
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Question 6
The Volume is measured in
Grams, g
Liters, L
Meters, m
g/ml
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Question 7
Matter is anything that takes up space and has mass.
True
False
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Question 8
All substances are either one of the elements or a combination of two or more of the elements.
True
False
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Question 9
There are more than a hundred naturally occurring elements.
True
False
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Question 10
Chemistry is a matter of rearranging the elements into different combinations to make new materials.
True
False
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Question 11
Any change that produces a new substance is called a chemical change.
True
False
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Question 12
Changes that don't produce new substances are physical changes.
True
False
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Question 13
When paper is completely burned it only produces carbon dioxide (CO
2
) and water (H
2
O).
True
False
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Question 14
Dissolving sugar into water is a:
Chemical Change
Physical Change
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Question 15
Burning natural gas is a:
Chemical Change
Physical Change
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Question 16
Dissolving table salt into water is a:
Chemical Change
Physical Change
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Question 17
Reacting Pb(NO
3
)
2
with KI to form a new substance PbI
2
is a:
Chemical Change
Physical Change
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Question 18
Complete burning of paper produces:
Ashes and carbon dioxide gas.
Water and carbon dioxide gas.
Ashes and carbon monoxide gas.
All of the above.
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Question 19
The smallest piece of an element that retains the properties of that element is:
a proton.
an electron.
an atom.
None of the above.
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Question 20
Two elements can have exactly the same chemical and physical properties.
True
False
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Question 21
New substances can be formed by:
combining two or more elements.
combining an element with another substance that is a combination of elements.
combining two or more substances that are each combinations of elements.
All of the above.
None of the above.
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Question 22
All elements naturally occur.
True
False
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Question 23
Most common substances can be described using 25 elements.
True
False
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