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Bond Type by Electronegativity Difference

Total questions: 24

Worksheet time: 18mins

Name
Class
Date
1.
Electronegativity is...
a)
how good an atom is at attracting electrons
b)
the ability of an atom to lose electrons
c)
the energy required to remove an electron from a specific atom
d)
how easy it is to make friends. 
2.
The element with the lowest electronegativity in Period 3 is - 
a)
Na
b)
Cl
c)
Ar
d)
Mg
3.
What elements have zero electronegativity?
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
4.

The electrons in a polar covalent molecule are shared...

a)

Evenly

b)

Unevenly

c)

Electrons are not shared

d)

None of the Above

5.

The electrons in a nonpolar covalent molecule are shared...

a)

Evenly

b)

Unevenly

c)

Electrons are not shared

d)

None of the Above

6.

The electrons in an ionic molecule are shared...

a)

Evenly

b)

Unevenly

c)

Electrons are not shared

d)

None of the Above

7.

In a polar covalent bond, the electrons gather around...

a)

The atom with the Greatest Electronegativity

b)

The atom with the Lowest Electronegativity

c)

Each atom Equally

d)

None of the Above

8.

In a nonpolar covalent bond, the electrons gather around...

a)

The atom with the Greatest Electronegativity

b)

The atom with the Lowest Electronegativity

c)

Each atom Equally

d)

None of the Above

9.

The polarity of a bond is determined by...

a)

The sum of the electronegativities of the two atoms

b)

The difference in the electronegativities of the two atoms

c)

The charges of the atoms

d)

None of the Above

10.

A diatomic molecule like O2 is always _____ because electrons are shared _____

a)

nonpolar; unequally

b)

polar; equally

c)

nonpolar; equally

d)

polar; unequally

11.

Use your knowledge and electronegativity sheet to predict what the following compound is classified as.

a)

non-polar covalent

b)

polar covalent

c)

ionic

d)

metallic

12.

Use your knowledge and electronegativity sheet to predict what type of bond would form between calcium and bromine.

a)

non-polar covalent

b)

polar covalent

c)

ionic

d)

metallic

13.

Use your knowledge and electronegativity sheet to predict what type of bond would form between phosphorus and fluorine.

a)

non-polar covalent

b)

polar covalent

c)

ionic

d)

metallic

14.

The electronegativity difference in the bonds of CH4 is:

a)

0.4

b)

5.9

c)

-0.4

d)

1.7

15.

The electronegativity difference in the bonds of CCl4 (carbon tetrachloride) is:

a)

0.4

b)

0.5

c)

9.5

d)

5.5

16.
In chemical compounds, covalent bonds form when
a)
the electronegativity difference between two atoms is very large.
b)
electrons are completely transferred between two metals.
c)
pairs of electrons are shared between two nonmetal atoms.
d)
two nonmetal atoms are attracted to each other by opposite charges.
17.
An ionic bond forms when 
a)
Valence electrons are shared
b)
a sea of mobile electrons surround the cations
c)
valence electrons are transferred between atoms
d)
none of the above
18.
Predict the bond that will form between Be and F.
a)
Ionic
b)
Covalent
19.
Predict the bond that will form between Se and Cl.
a)
Ionic
b)
Covalent
20.
What is a valence electron?
a)
an electron that is found in the outermost shell of an atom. 
b)
an electron found in the innermost shell of an atom.
c)
an electron found in the middle shell.
21.

Which is the correct diagram for CH4?

a)
b)
c)
d)
22.

What is the correct formula for this Lewis Diagram?

a)

O3S

b)

NOH

c)

SO3

d)

SO16

23.

What type of covalent bond is characterized by an unequal sharing of electrons?

a)

Ionic Bond

b)

Polar Covalent Bond

c)

Non-Polar Covalent Bond

d)

Covalent Bond

24.

What type of covalent bond is characterized by an equal sharing of electrons

a)

Non-Polar Covalent Bond

b)

Covalent Bond

c)

Ionic Bond

d)

Polar Covalent Bond

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