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Hydrocarbons Chapter 25
Test Description: Hydrocarbons chapter 25
Instructions: Answer all questions to get your test result.
1) Which type of bonding arrangement between carbon atoms is found in diamonds?
A
sheets or layers
B
an unpredictable arrangement
C
globe shaped
D
tetrahedral shaped
2) Allotropic forms of carbon include all of the following except
A
alkanes.
B
diamond.
C
graphite.
D
fullerenes.
3) Which of the allotropic forms of carbon is frequently used as a lubricant?
A
fullerenes
B
alkanes
C
graphite
D
diamond
4) How many bonds can a carbon atom form?
A
one
B
four
C
three
D
two
5) Forms of the same element that have different bonding arrangements and properties are called
A
fullerenes.
B
allotropes.
C
polymers.
D
isomers.
6) The number of valence electrons in a neutral carbon atom is
A
four.
B
two.
C
eight.
D
six.
7) The first organic compound produced in the laboratory in 1828 was
A
a carbohydrate.
B
DNA.
C
urea
D
a sugar.
8) Organic chemistry is now defined as the study of
A
compounds made in living organisms.
B
natural compounds.
C
carbon compounds.
D
synthetic compounds.
9) Hydrocarbons are most widely known for their use as
A
antibiotics.
B
preservatives.
C
drugs.
D
fuels.
10) Because hydrogen and carbon have similar electronegativities, hydrocarbon molecules are classified as mostly
A
ionic.
B
nonpolar.
C
polar.
D
metallic.
*select an answer for all questions
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