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Unit 4: Test Review- Bonding (23-24)

Total questions: 69

Worksheet time: 6hrs 45mins

Name
Class
Date
1.

What is the name of the ionic compound K3N?

a)

potassium nitride

b)

potassium (III) nitride

c)

potassium (I) nitride

d)

potassium nitrogen

e)

potassium+3 nitride-1

2.

Which of following are properties of ionic bonds? (YOU MAY SELECT MORE THAN ONE ANSWER)

a)

High melting point

b)

Low melting point

c)

Solid at room temperature

d)

Gas at room temperature

e)

Conducts electricity when dissolved in water

3.

What charge will bromine form when becoming an ion?

a)

1+

b)

1-

c)

7+

d)

7-

e)

0

4.

What charge will barium (Ba) form when becoming an ion?

a)

6+

b)

6-

c)

2+

d)

2-

e)

0

5.

How many valence electrons does sulfur have?

a)

2

b)

6

c)

16

d)

3

e)

7

6.

In the ionic compound, Ca3N2, what does the 2 indicate?

a)

Nitrogen has a -2 charge

b)

Nitrogen has 2 valence electrons

c)

Calcium has a -2 charge

d)

There is a 3:2 ratio - the 2 indicates the number of nitrogen ions

e)

There is a 3:2 ratio - the 2 indicates the number of calcium ions

7.

When creating a dot diagram for an atom - how do you know how many electrons to place around each symbol?

a)

Use the charge the ion creates

b)

Use the number of valence electrons

c)

Use subscript from the formula

d)

Use the atomic number

8.

How many total electrons are transferred from the cation to the anion in the formation of sodium phosphide?

a)

1

b)

5

c)

8

d)

3

9.

How will oxygen form an ion to become stable?

a)

Gain 2 electrons

b)

Lose 2 electrons

c)

Gain 6 electrons

d)

Lose 6 electrons

10.

What is the correct formula for an ionic bond between strontium and oxygen?

a)

SrO

b)

Sro

c)

Sr2O2

d)

Sr2O6

e)

Sr6O2

11.

What is the name of the compound CuCl2?

a)

Copper chloride

b)

Copper (I) chloride

c)

Copper (II) chloride

d)

Copper (II) chlorine

e)

Copper chlorine

12.

What is the proper name for the ionic compound Al2O3?

a)

Aluminum (II) oxide (III)

b)

Aluminum (III) oxide

c)

Aluminum (II) oxide

d)

Aluminum oxide

e)

Aluminum oxygen

13.

What is the electron configuration of the nitrogen ion?

a)

1s22s22p3

b)

1s22s22p6

c)

1s2

d)

1s22s2

14.

Can nonmetals ever transfer electrons to metals to form a bond?

a)

Yes - that is how an ionic bond is formed

b)

No - only metals can transfer electrons to nonmetals

15.

What is the overall net charge of the ionic compound calcium nitride, Ca3N2?

a)

+3

b)

-3

c)

+2

d)

-2

e)

0

16.
This is a correct dot diagram for oxygen (O)
a)
true
b)
false
17.
This is a correct dot diagram for fluorine (F)
a)
true
b)
false
18.

What is the symbol for the sodium ion?

a)

Na+

b)

K+

c)

Ag+

d)

Ca2+

19.
A negatively-charged ion.
a)
atom
b)
cation
c)
anion
d)
electron
20.
An atom that has lost or gained electrons; an atom with a charge.
a)
cation
b)
anion
c)
isotope
d)
ion
21.
Cations are
a)
positive
b)
negative
c)
on the right side of the periodic table.
d)
nonmetals
22.
What is the charge of an atom that has lost one electron?
a)
-1
b)
-2
c)
+1
d)
+2
23.
When naming ionic compounds, the cation is always named first and the anion is always named second.
a)
False
b)
True
24.
Which of the following will form an ion with a 2- charge?
a)
Ca
b)
Se
c)
Ge
d)
N
25.
What are the electrons in the highest energy level of an atom called?
a)
orbital electrons
b)
valence electrons
c)
anions
d)
cations
26.
A phosphorus atom needs to gain ___ electrons to achieve a full octet.
a)
3
b)
4
c)
6
d)
5
27.
If an element has 3 valence electrons, what charge will likely form on its ion ?
a)
+3
b)
+5
c)
-3
d)
-5
28.
What would be the proper chemical formula for combining Al3+ and l- :
a)
Al l3
b)
Al3l
c)
Al l
d)
Al3 l3
29.
What formula results when Ca+2  and  Br- ions bond?
a)
Ca2Br2
b)
CaBr
c)
Ca(br)2
d)
CaBr2
30.
How many electrons do atoms need to be stable?
a)
1
b)
2
c)
6
d)
8
31.

What do atoms that form positive ions tend to do?

a)

lose electrons

b)

gain electrons

c)

lose protons

d)

gain protons

32.

What usually forms a positive ion?

a)

metal

b)

nonmetal

c)

metalloid

d)

there is no way to tell

33.

What type of bond forms between Be & F?

a)

no bond forms

b)

covalent bond

c)

ionic bond

d)

metallic bond

34.
Which of the following elements wants to bond 3 times
a)
Oxygen
b)
Phosphorous
c)
Fluorine
d)
Germanium
35.
How many Valence Electrons are on Oxygen
a)
2
b)
7
c)
6
d)
1
36.
The desire for an element to have 8 atoms around it is called 
a)
Octet Rule
b)
Resonance
c)
Ionization energy
d)
Electronegativity
37.

What is the formula for this Compound

a)

PCl

b)

PCL5

c)

PCl5

d)

Phosphorous Penta Chloride

38.
A polar bond is one that
a)
Has an electronegativity difference greater than 0.7
b)
Has an electronegativity difference greater than 0.5
c)
Has an electronegativity difference less that 0.5
d)
Has an electronegativity difference less than 0.7
39.
Which of these would be covalently bonded
a)
Fr and K
b)
Sc and O 
c)
F and Cl
d)
He and Pt
40.

A bond between a metal and a nonmetal is called a(n)

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

41.

A bond between a nonmetal and a nonmetal is called a(n)

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

42.

What type of bond involves the sharing of electrons between atoms?

a)

covalent bond

b)

ionic bond

c)

metallic bond

d)

transfer bond

43.

Identify the following compound as ionic or covalent: CF4

a)

ionic

b)

covalent

44.

Identify the following compound as ionic or covalent: MgO

a)

ionic

b)

covalent

45.

Identify the following compound as ionic or covalent: SO2

a)

ionic

b)

covalent

46.

Identify the following compound as ionic or covalent: CO

a)

ionic

b)

covalent

47.
What is it called if there are three-pairs of electrons being shared?
a)
Triple bond
b)
Bond length
c)
Tribond
d)
Chocolate Mousse
48.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
49.
How many electrons should Carbon have around its Lewis dot structure?
a)
1
b)
3
c)
4
d)
5
50.
How many electrons are shared in a double bond?
a)
2
b)
4
c)
6
d)
8
51.
When two nonmetals do not share electrons evenly, the resulting covalent bond will be
a)
nonpolar
b)
polar
c)
ionic
d)
metallic
52.
The number of bonds an element will form in a covalent compound will be equal to
a)
the number of valence electrons
b)
eight electrons
c)
the number of electrons needed to reach an octet
d)
the group number
53.
How many covalent bonds does carbon need to form in order to have a full octet?
a)
2
b)
3
c)
4
d)
5
54.
In the correct Lewis structure for water, how many unshared pairs of electrons will oxygen have?
a)
1
b)
4
c)
3
d)
2
55.

NH3 has how many lone pairs?

a)

0

b)

1

c)

2

d)

3

56.
phosphorus trichloride
a)
KCl3
b)
PCl3
c)
K3Cl
d)
P3Cl
57.
silicon dioxide
a)
SO2
b)
NaO2
c)
SiO2
d)
SiO
58.
diphosphorus pentoxide
a)
P2O5
b)
PO5
c)
P5O2
d)
P2O6
59.
SiCl4
a)
silicon tetrachloride
b)
silicon quadchloride
c)
monosilicon tetrachloride
d)
silicon chloride
60.
The chemical formula of sulfur hexabromide is
a)
SBr₆
b)
S₆Br
c)
S(VI)Br
d)
S6Br
61.
The chemical formula of carbon tetrachloride is
a)
CCl
b)
C₄Cl
c)
CCl₄
d)
C(IV)Cl
62.

The chemical formula of dinitrogen tetroxide is

a)

Ni₂O₄

b)

NiO

c)

N₂O₄

d)

NiO₂

63.
The chemical formula of tetraphosphorus heptaoxide is
a)
F₄O₁₀
b)
P₄O7
c)
PO
d)
P₁₀O₄
64.
Which of the following is NOT an ionic compound:
a)
CaO
b)
NaOH
c)
BaCl2
d)
Br2
65.
How many valence electrons does nitrogen have?
a)
3
b)
2
c)
5
d)
1
66.

Chlorine has 7 electrons in it's outer shell. How many covalent bonds does it need to make to complete it's outer shell electrons?

a)

1

b)

2

c)

3

d)

4

67.

Oxygen has 6 electrons in it's outer shell. How many covalent bonds does it need to make to complete it's outer shell electrons?

a)

1

b)

2

c)

3

d)

4

68.

Carbon has 4 electrons in it's outer shell. How many covalent bonds does it need to make to complete it's outer shell electrons?

a)

1

b)

2

c)

3

d)

4

69.

How many ATOMS are in one molecule of CH4?

a)

2

b)

4

c)

5

d)

3

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