Worksheets4.3 - Covalent Bond
Total questions: 20
Worksheet time: 24mins
Name
Class
Date
1.
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.
2.
Which of the following is NOT formed by a covalent bond?
a)
K2S
b)
H2O
c)
I2
d)
CO2
3.
Covalent bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
4.
Ionic bonds are between...
a)
Metal and Non-metal
b)
Non-metal and Non-metal
c)
Metal and Metal
5.
Why do elements bond?
a)
To be friends
b)
To create a new element
c)
To become stable
6.
What do we call a covalent bond where electrons are shared UNEVENLY or UNEQUALLY?
a)
Ionic
b)
Polar Covalent
c)
Nonpolar Covalent
d)
Van der Waals Force
7.
What type of bond is shown in this image?
a)
Ionic
b)
Polar Covalent
c)
Nonpolar Covalent
d)
Van der Waals Force
8.
What type of bond is shown in this picture? It is the WEAKEST type & attracts one water compound to another!
a)
Ionic bond
b)
Polar Covalent
c)
Nonpolar Covalent
d)
Van der Waals force
9.
In an electron dot diagram, two pairs of shared electrons represents a ...
a)
single bond
b)
double bond
c)
triple bond
d)
quadruple bond
10.
A Nitrogen molecule (N2) has one triple bond. How many electrons do the nitrogen atoms share?
a)
1
1
1
b)
3
c)
4
d)
6
11.
Compared to ionic compounds, molecular compounds generally have...
a)
good conductivity
b)
greater densities
c)
more chemical bonds
d)
a low boiling point
12.
The chemical bond formed when two atoms share electrons is called a(an) IONIC bond.
a)
True
b)
False
13.
Covalent bonds usually form when a nonmetal combines with a(an) METAL.
a)
True
b)
False
14.
If a molecule contains polar bonds, the molecule MAY OR MAY NOT be polar overall.
a)
True
b)
False
15.
In a(an) POLAR bond, one atom pulls on the shared electrons more than the other atom.
a)
True
b)
False
16.
The forces between molecules are much STRONGER than the forces between ions.
a)
True
b)
False
17.
What type of bond is this?
a)
ionic
b)
covalent
18.
How many are shared in a single bond?
a)
2 pairs
b)
4
c)
2
d)
1
19.
Which of these is not a real bond in chemistry?
a)
James
b)
Ionic
c)
Covalent
20.
Is this image an example of covalent bonding?
a)
Yes
b)
No
100 %
