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