Name: 
 

Chemistry – Atomic and Molecular Structure Lesson 1-6 Practice Exercises



True/False
Indicate whether the statement is true or false.
 

 1. 

The purely covalent bond has two atoms sharing their valence electrons equally.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 2. 

The Ionic bond is characterized by _________________.
a.
equal sharing of the valence electrons between bonding atoms
b.
the sticking together of positively charged cations and negatively charged anions
c.
a ‘sea’ of electrons orbiting around many nuclei
d.
unequal sharing of electrons by bonding atoms
 

 3. 

A covalent bond where the electrons are not equally shared by the two participating atoms is called __________ bond.
a.
an ionic
b.
a metallic
c.
a polar-covalent
d.
it is not a bond
 

 4. 

There is _____________ sharing of electrons in a purely covalent bond.
a.
50:50
b.
25:75
c.
75:25
d.
no
 

 5. 

When two atoms bond, and the difference between their electronegativities is 0, then the bond is ___________.
a.
polar covalent
b.
ionic
c.
metallic
d.
covalent
 



 
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