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Worksheetscarbon compound
Total questions: 18
Worksheet time: 15mins
Name
Class
Date
1.
Which elements make up about 96% of all living things?
a)
Carbon, Hydrogen, Oxygen, Nitrogen
b)
Carbon, Hydrogen, Oxygen, Phosphorus
c)
Carbon, Hydrogen, Helium, Oxygen
d)
Carbon, Hydrogen, Calcium, Oxygen
2.
Carbon makes really strong covalent bonds with itself & other elements because:
a)
It has 6 protons
b)
It has a larger mass than any other element
c)
It has 4 valence electrons
d)
It makes up almost 20% of our body weight
3.
This organic compound is our main source of energy:
a)
Nucleic Acids
b)
Carbohydrates
c)
Proteins
d)
Lipids
4.
Carbon makes really strong covalent bonds with itself & other elements because:
a)
It has 6 protons
b)
It has a larger mass than any other element
c)
It has 4 valence electrons
d)
It makes up almost 20% of our body weight
5.
How many covalent bonds does each carbon have in the molecule shown?
a)
4
b)
2
c)
8
d)
6
6.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
7.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
8.
How many hydrogen atoms are in butane
a)
4
b)
6
c)
8
d)
10
9.
What is the general formula of an alkane
a)
2n+2
b)
CnH2n+2
c)
CnH2n
d)
CnHn
10.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
11.
Butane
a)
Alkane
b)
Alkene
c)
Alkyne
12.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
13.
Give the name of this compound...
C3H8
C3H8
a)
Propene
b)
Butane
c)
Butene
d)
Propane
14.
The longer the hydrocarbon, the _______ the boiling point
a)
Lower
b)
Higher
15.
Hydrocarbon boiling points increase when branching increases.
a)
true
b)
false
16.
Name the compound.
a)
hexane
b)
2,3-dimethylbutane
c)
ethylbutane
d)
2,2-dimethylbutane
17.
Molecules with the same formula but different structures are known as:
a)
ions
b)
isomers
c)
isotopes
d)
ionic bonds
18.
Name the following
a)
4-ethyl-6-methyl nonane
b)
3-propyl-5-methyl octane
c)
2,4-dipropyl hexane
d)
4-ethyl-2-propyl heptane
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