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WorksheetsIG Chemistry-3 Chemical bonding (3.1)
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
How many valence electrons are shown in the diagram?
a)
16
b)
7
c)
6
d)
2
2.
How do covalent bonds form?
a)
Donating & receiving valence e- between atoms.
b)
Opposite slight charges attract each other between compounds.
c)
Scientists are still not sure how they form.
d)
Sharing valence e- between atoms.
3.
Examine the image: How many bonds are formed looking at the model of the compound? And also indetify what type of bond is formed.
a)
2 bonds; covalent
b)
4 bonds; metallic
c)
2 bonds; ionic
d)
4 bonds; covalent
4.
Is O2 a compound or a molecule?
a)
Compound
b)
Molecule
c)
Both
5.
H2O is a:
a)
Compound
b)
Molecule
c)
Both
6.
Atoms gain lose, gain, or gain electrons to get a ____ outer energy level.
a)
stable
b)
split
c)
created
d)
destroyed
7.
This is a correct dot diagram for nitrogen atom (N)
a)
true
b)
false
8.
Which is the correct dot and cross diagram for hydrogen (H2)
a)
A
b)
B
c)
C
d)
D
9.
Which is the correct stick diagram for HCl?
a)
A
b)
B
c)
C
d)
D
10.
Which is the correct dot and cross diagram for H2O?
a)
A
b)
B
c)
C
d)
D
11.
a)
A
b)
B
c)
C
d)
D
12.
a)
A
b)
B
c)
C
d)
D
13.
a)
A
b)
B
c)
C
d)
D
14.
a)
A
b)
B
c)
C
d)
D
15.
a)
A
b)
B
c)
C
d)
D
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