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Covalent Bonding Practice
Test Description: Covalent bonding chem pratice
Instructions: Answer all questions to get your test result.
1) 1) Draw the bonds for CH2S. How many bonds does S have with C?
A
1
B
4
C
2
D
3
2) 2) Draw the bonds for NCl2. What is the problem with this formula?
A
a. There are too few electrons to share
B
d. Nitrogen has six valence electrons
C
c. There is no way for nitrogen to get eight electrons
D
b. Chlorine cannot make bonds
3) 3) Draw the bonds for CPCl. How many electrons does P share with C?
A
3
B
2
C
It doesn’t make any bonds with C
D
1
4) 4) Draw the bonds for C2H5F. How many electrons does F share with H?
A
It doesn’t make any bonds with H
B
1
C
2
D
3
5) 5) Draw the bonds for P2O2H2. How many times do P and O bond?
A
4
B
2
C
3
D
1
6) 6) Which of the following is most electronegative?
A
N
B
S
C
Cl
D
F
7) 7) Which of the following is least electronegative?
A
H
B
F
C
C
D
Se
8) 8) Which of the bonds below would be polar?
A
P-H
B
Cl-H
C
Se-H
D
H-H
9) 9) Which of the bonds below would be polar?
A
F-S
B
H-I
C
Cl-Br
D
F-F
10) 10) Which of the bonds below would be non-polar?
A
Br-Se
B
Cl-S
C
O-H
D
Si-S
11) 11) Draw the bond for PI3. How many polar bonds does the formula have?
A
1
B
0
C
2
D
3
12) 12) Draw the bond for NSBr. How many polar bonds does the formula have?
A
3
B
1
C
2
D
0
13) 13) Draw the bond for C3H6BrF. ¬How many polar bonds does the formula have?
A
0
B
1
C
3
D
2
14) 14) Draw the bond for C2H4NI. How many polar bonds does the formula have?
A
1
B
3
C
2
D
0
15) 15) Draw the bond for P2HON. How many polar bonds does the formula have?
A
2
B
1
C
3
D
0
16) 16) Draw the bond for C3H3SI. How many polar bonds does the formula have?
A
2
B
0
C
1
D
3
*select an answer for all questions
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