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Chemical bonding review part 2 (No polarity, No VESPR)

Total questions: 30

Worksheet time: 22mins

Name
Class
Date
1.
What elements generally make an ionic bond?
a)
metal and nonmetal
b)
2 nonmetals
c)
metal
d)
none of the above
2.
What elements generally make a covalent bond?
a)
metal and nonmetal
b)
2 nonmetals
c)
metal
d)
none of the above
3.
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.
4.
Predict the bond that will form between Be and F.
a)
Ionic
b)
Covalent
5.
Predict the bond that will form between Se and Cl
a)
Ionic
b)
Covalent
6.
Soluble in Water
a)
Ionic
b)
Covalent
7.
High Melting & Boiling Points
a)
Ionic
b)
Covalent
8.
Relatively soft
a)
Ionic
b)
Covalent
9.

Why do atoms bond?

a)

They typically don't bond

b)

To add or take away energy levels

c)

To have a full valance shell.

d)

To have a full inner shell

10.

Predict the bond between Mg and Cl

a)

covalent

b)

ionic

c)

metallic

d)

none of the above

11.

Which bond does this picture best represent?

a)

Metallic bond

b)

ionic bond

c)

covalent bond

d)

James Bond

12.

Which of the pair of elements form an ionic bond?

a)

Magnesium and Oxygen

b)

Magnesium and Sodium

c)

Iron and Zinc

d)

Nitrogen and Hydrogen

13.

How many valence electrons are shown in the diagram?

a)

16

b)

7

c)

6

d)

2

14.

TRUE OR FALSE: Ionic compounds have high boiling points because they consist of a strong ionic bond.

a)

TRUE

b)

FALSE

15.

Examine the image: How many bonds are formed looking at the model of the compound? And also indetify what type of bond is formed.

a)

2 bonds; covalent

b)

4 bonds; metallic

c)

2 bonds; ionic

d)

4 bonds; covalent

16.
A substance which has a high melting point, conducts electricity when dissolved in water, and has a crystalline structure probably has what type of bond?
a)
Ionic
b)
Metallic
c)
Covalent
d)
Crystalline
17.

A compound that is a poor conductor and has low melting and boiling points is most likely

a)

ionic

b)

metallic

c)

covalent

18.

Which compound would have a very low melting point?

a)

sodium chloride

b)

copper (II) sulfate

c)

sulfur dioxide

d)

aluminum

19.

Which compound would be a good conductor when in solution?

a)

aluminum

b)

sulfur dioxide

c)

ammonia

d)

sodium chloride

20.
How many more electrons are needed to fill an outermost energy level of a Carbon atom?
a)
its already full, 0 needed
b)
2
c)
4
d)
carbon is a nonmetal, it has no electrons
21.
Noble gases form chemical bonds with other elements.
a)
True
b)
False
22.
The following statements are true for ionic bonding EXCEPT
a)
bonding between metal and non metal
b)
electrostatic forces between opposite charges
c)
transferring of electrons
d)
sharing of electrons
23.
Valence electrons are the...
a)
innermost electrons
b)
outermost electrons
c)
any electrons
d)
middle electrons
24.
How are covalent bonds form?
a)
transfer of electrons
b)
electrostatic attraction between opposite charges
c)
electron sharing
d)
electron gaining
25.

The bond between Na and F is ionic. That means

a)

there is a pair of electrons shared equally between them

b)

there is a pair of electrons shared unequally between them

c)

an electron will be stolen from one and given to the other

26.
Question Image

Match the following to form true statements:

a)

When solid, ionic compounds

1.

cannot conduct electricity

b)

When melted ionic compounds

2.

can conduct electricity

c)

Ionic compounds have

3.

high melting and high boiling points

d)

There are many strong bonds

4.

between ions in an ionic compound.

e)

Elements in group 1 of the periodic table form ions

5.

with a charge of 1+

27.

Match the following cation/anion with how many valence electrons it lost/gained.

a)

Fe3+Fe^{3+}

1.

lost three valence electrons

b)

O2−O^{2-}

2.

gained 2 valence electrons

c)

I−I^-

3.

gained one valence electron

d)

Ca2+Ca^{2+}

4.

lost two valence electrons

e)

Cs+Cs^+

5.

lost one valence electron

28.

This image shows the bonding between Lithium and Fluorine. What does the red arrow show?

a)

electrons being shared

b)

electrons being transferred to Fluorine

c)

electrons being transferred to Lithium

d)

electrons being destroyed

29.
In the process of ionic bonding, ions come together because
a)
opposite charges repel
b)
positive and negative ions attract
c)
salt is magnetic
d)
like charges attract each other
30.

The illustration depicts the formation of an ionic chemical bond between lithium and fluorine atoms. Why is the resulting compound more stable than the individual atoms?

a)

The shared electron from lithium to fluorine provides each atom with an empty electron shell.

b)

The transferred electron from lithium to fluorine provides each atom with a full outer energy level/ electron shell.

c)

The transfer of electrons from lithium to fluorine provides each atom with an empty electron shell.

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