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WorksheetsCovalent Lewis Structures
Total questions: 22
Worksheet time: 24mins
Name
Class
Date
1.
How many electrons should Carbon have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
2.
How many electrons should Oxygen have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
3.
SO2 is called:
a)
Sulfur dioxide
b)
Sulfur monoxide
c)
Monosulfur dioxide
d)
Disulfur
4.
Three pairs of electrons are shaired
a)
Single bond
b)
Double bond
c)
Triple bond
5.
A covalent bond is
a)
a bond that shares electrons metallicaly
b)
A bond that shares electrons with non metals
c)
Metalloids bonding
d)
metals and nonmetals bonding
6.
tetra
a)
Earth
b)
Four
c)
Five
d)
Multiple
7.
How are covalent bonds explained?
a)
When one atom takes the other atom's electron
b)
When an atom shares electrons with an another atom
c)
When an atom shares neutrons with an another atom
d)
When one atom takes the other atom's nuetrons
8.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
9.
What is the correct formula for this molecule?
a)
Si4F
b)
SiF4
c)
SiF
d)
Si4F4
10.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
11.
Which of the following is the correct Lewis structure for the compound PBr3?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
12.
What is a diatomic element?
a)
a metal bonded with a nonmetal
b)
2 or more nonmetals bonded together
c)
2 or more metals bonded together
d)
2 atoms of the same element bonded together
13.
Which element is not diatomic?
a)
Br
b)
He
c)
H
d)
O
14.
What is the name of the molecular geometry for this Lewis Structure?
a)
trigonal planar
b)
trigonal pyramidal
c)
tetrahedral
d)
bent
15.
What is the name?
a)
tetrahedral
b)
trigonal planar
c)
bent
d)
trigonal pyramidal
16.
How would you describe this structure?
a)
nonpolar and London forces
b)
polar and dipole-dipole forces
c)
polar and hydrogen bonding forces
d)
nonpolar and hydrogen bonding forces
17.
What is the name of this Lewis Structure?
a)
linear
b)
bent
c)
tetrahedral
d)
planar
18.
How would you describe this picture
a)
polar and London forces
b)
nonpolar and dipole-dipole
c)
nonpolar and London Forces
d)
polar and Hydrogen bonding
19.
How many electrons would a trigonal planar structure contain?
a)
24
b)
16
c)
26
d)
20
20.
How many electrons can be used in the Lewis Structure for : NO3 -
a)
23
b)
20
c)
18
d)
24
21.
How would you describe this structure?
a)
diatomic, linear, polar
b)
diatomic, linear, nonpolar
c)
monatomic,nonpolar, linear
d)
monatomic, polar, linear
22.
How many electrons would be used in the Lewis Structure for the phosphate ion?
a)
29
b)
18
c)
28
d)
32
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