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Ionic Bonds

Total questions: 99

Worksheet time: 3hrs 16mins

Name
Class
Date
1.

Strong electrolytes form _______ in solution

a)

Molecules

b)

Ions

c)

Protons

d)

Atoms

2.
If my charge becomes 2+ what does that say about me?
a)
I am stealing 2 electrons
b)
I am losing 2 electrons
c)
I am in period 2
d)
I have an atomic # of 2
3.
If I gain electrons I become
a)
Positive because I've added to my atom
b)
negative because I've added electrons
c)
same because i'm balanced
d)
equal because now I have electrons
4.
How do the following two elements bond together?
Na1+  F1-         
a)
NaF
b)
NaF3
c)
Na3F
d)
Na1F2
5.

What is the overall charge of the ionic compound NaCl

a)

+1

b)

+2

c)

+3

d)

0

6.
What formula results when Ca+2  and  Br- ions bond?
a)
Ca2Br2
b)
CaBr
c)
Ca(br)2
d)
CaBr2
7.

What kind of Ion does Aluminum form?

a)

Al+3Al^{+3}  

b)

Al−3Al^{-3}  

c)

Al−1Al^{-1}  

d)

Al+2Al^{+2}  

8.

Anions gain...

a)

Their onions

b)

respect

c)

electrons

d)

binaries

9.

A sodium ion has a charge of

a)

-1

b)

-2

c)

+1

d)

+2

10.
How do the following two elements bond together?
Cr3+  O2-         
a)
CrO
b)
Cr3O2
c)
Cr2O3
d)
CrO3
11.
How do the following two elements bond together?
K1+  S2- 
a)
KS
b)
K8S
c)
K6S3
d)
K2S
12.
How do the following two elements bond together?
Al3+  O2-         
a)
AlO
b)
Al2O3
c)
Al3O6
d)
Al3O2
13.
Mg2+ and Cl- create...
a)
Mg2Cl
b)
MgCl2
c)
Mg2Cl2
d)
MgCl
14.
Na +  and  S -2
a)
Na2S
b)
NaS2
c)
Na2S2
d)
NaS
15.
What charge does a calcium (Ca) ion have?
a)
+1
b)
+2
c)
+3
d)
+4
16.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
17.
Fe +2  and  SO4 -2
a)
FeSO4
b)
Fe4(SO4)2
c)
FeSO2
d)
correct answer is not given
18.

Generally, atoms form bonds so that _______________.

a)

Each atom loses its electrons

b)

Each atom has a stable electron configuration

c)

Each atom has an unstable electron configuration

d)

Each atom gains electrons

19.

Nitrogen, N, will form which of the following ions?

a)

N

b)

N-3

c)

N-5

d)

N+5

20.
Ionic bonds form between two ions that have...
a)
ionic compounds
b)
negative charges
c)
positive charges
d)
opposite charges
21.

Ionic bonds are formed when electrons get

a)

Shared between two atoms

b)

Removed from both atoms

c)

Transferred from one atom to another

d)

Added to both atoms

22.

How many valence electrons does Mg have? (use the PTable)

a)

1

b)

2

c)

3

d)

4

e)

5

23.

Ionic bonds typically form between

a)

A metal and a nonmetal

b)

Two nonmetals

c)

Two metals

d)

A metalloid and a metal

24.

Atoms are most stable when their outer shell is complete.

a)

True

b)

False

25.

Cations _______ electrons, becoming _______ charged.

a)

Gain; positively (+)

b)

Gain; negatively (-)

c)

Lose; positively (+)

d)

Lose; negatively (-)

26.

Using the model, write the chemical formula for an ionic compound that has Mg and Cl.

a)

MgCl2

b)

Mg2Cl2

c)

Mg+2Cl-1

d)

Mg2Cl2

27.

What properties does an ionic compound have?

a)

A low boiling point and it conducts electricity when dissolved in water

b)

A high melting point and it conducts electricity when molten or dissolved

c)

A high boiling point and it conducts electricity when solid

28.

Ionic compounds conduct electricity when dissolved in water. Which statement below best explains the property?

a)

Ions are free to move.

b)

Electrons are free to move.

c)

Bonds are strong.

d)

There are weak intermolecular forces of attraction.

29.
A anion will be a ____ ion.
a)
negative
b)
positive
c)
neutral
d)
ficticious
30.

An anion is formed by

a)

losing electrons

b)

gaining electrons

c)

losing protons

d)

gaining protons

31.

Which pair of atoms will form an ionic bond?

a)

Li and Be

b)

Na and Mg

c)

K and Ca

d)

Na and Cl

32.

When magnesium bonds with oxygen, the magnesium loses two electrons. What ion will be formed?

a)

[Mg]+

b)

[Mg]2-

c)

[Mg]2+

d)

[Mg]-

33.

LiBr is called

a)

lithium bromine

b)

lithium (I) bromine

c)

lithium bromide

d)

lithuim (I) bromide

34.
Nonmetals tend to 
a)
gain electrons
b)
lose electrons
35.
When metals bond with non-metals they form what type of bonds
a)
covalent
b)
ionic
c)
cooperative
d)
lewis
36.
Atoms gain or lose electrons to become stable by satisfying this rule.
a)
Lewis Structure rule
b)
Periodic Law
c)
octet rule
d)
Ionic Law
37.
This type of model shows only the valence electrons of an element? 
a)
Bohr diagram 
b)
Childers model
c)
Lewis-dot diagram 
d)
What is a valence electron again?
38.
A charged particle that has gained or lost electrons is called a _____.
a)
molecule
b)
ion
c)
isotope
d)
element
39.
Beryllium will ____ valence electrons when forming an ionic bond.
a)
lose 4
b)
gain 4
c)
lose 2
d)
gain 2
40.
Ionic bonds happen because of the ____ of valence electrons.
a)
sharing
b)
transfer
41.
Ions have unequal numbers of 
a)
neutrons and protons.
b)
protons and electrons.
c)
electrons and neutrons.
42.
When is an atom stable?
a)
when it has plenty of friends and family that love it
b)
when it has a full valence electron shell
c)
when it has an empty valence electron shell
d)
when its protons equal its neutrons
43.
When atoms form ions they obtain an electron configuration similar to a __________.
a)
metal
b)
halogen
c)
alkali metal
d)
noble gas
44.

Looking at the periodic table, when the halogens form an ion what charge do they have?

a)

1-

b)

1+

c)

2-

d)

2+

e)

3-

45.

Looking at the periodic table, when the alkaline earth metals form an ion what charge do they have?

a)

1-

b)

1+

c)

2-

d)

2+

e)

3-

46.

Looking at the periodic table, when the alkali metals form an ion what charge do they have?

a)

1-

b)

1+

c)

2-

d)

2+

e)

3-

47.

If I had an anion with a charge of 3- how would you describe the formation of that ion?

a)

gained 2 electrons

b)

lost 2 electrons

c)

gained 3 electrons

d)

lost 3 electrons

48.

If I had a cation with a charge of 2+ how would you describe the formation of that ion?

a)

gained 2 electrons

b)

lost 2 electrons

c)

gained 4 electrons

d)

lost 4 electrons

49.

A(n) _________ is an ion with a positive (+) charge.

a)

anion

b)

cation

c)

ion

d)

solute

50.

if NONMETALS are more likely to GAIN electrons, they will form ...

a)

anions

b)

neutral atoms

c)

cations

51.
Elements in Group 1 lose one electron to form ions with a _________________ charge.
a)
1+
b)
2+
c)
0
d)
1-
52.

If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?

a)

Al+3

b)

Al+13

c)

Al+10

d)

Al-10

53.

Why do ionic bonds form?

a)

so the number of protons equals the number of electrons

b)

to fill the outermost energy level to make the atom stable

c)

so an atom can become unstable

54.

Calcium Chloride, CaCl2

a)

Covalent Bond

b)

Ionic Bond

55.

Nitrogen, N, will form which of the following ions?

a)

N

b)

N-3

c)

N-5

d)

N+5

56.
As an ion, sulfur has a ____ charge.
a)

+1

b)

-1

c)

+2

d)

-2

57.

What is the formula of Sodium oxide, the compound made when sodium (Na) bonds with Oxygen (O)?

(Use scrap paper to help you solve this one!)

a)
Na2O
b)
NaO2
c)
Na2O2
d)
Na2O
58.

An ionic bond is the attraction between: (Select ALL that apply)

a)

oppositely charged ions

b)

similarly charged ions

c)

metals and nonmetals

d)

neutral atoms

e)

cations and anions

59.

_____ tend to form anions.

a)
metals
b)
nonmetals
60.

_____ tend to form cations.

a)
metals
b)
nonmetals
61.
Ionic bonds happen because of the ____ of valence electrons.
a)
sharing
b)
transfer
62.

What happens when two negatively charged ions are pushed together?

a)

they will repel (move apart)

b)

they will be attracted to each other (move together)

63.

The negative ions tend to _____________ electrons.

a)

lose

b)

gain

64.

Why are sodium and chlorine attracted to each other?

a)

they have opposite charges

b)

they both have negative charges

c)

they both have positive charges

65.
What is the oxidation number for Al?
a)
+3
b)
+2
c)
-2
d)
-3
66.
What is the oxidation number for O 
a)
+1
b)
+2
c)
-1
d)
-2
67.

How does magnesium become an magnesium ion?

a)

it loses 2 electrons

b)

it gains 2 electrons

68.

How many Aluminum atoms are in Al2O3?

a)

3

b)

5

c)

2

d)

1

69.

If an aluminum atom has 13 protons (+) and 10 electrons (-), what is it's charge?

a)

Al+3

b)

Al+13

c)

Al+10

d)

Al-10

70.

The following ionic crystal has 4 Sr ions (red) and 8 Br ions (blue). What is the formula for this ionic crystal?

a)

SrBr

b)

SrBr2

c)

Sr2Br

d)

Sr4Br8

71.
Where are the nonmetals located on the periodic table? 
a)
Blue
b)
Red
c)
Green
72.
Where are metals located on the periodic table?
a)
Blue
b)
Green
c)
Red
73.

A region that forms when valence electrons from different atoms interact with each other.

a)

Valence electrons

b)

Compound

c)

Chemical bond

d)

Polar bond

74.

Bond formed by the transferring of electrons. Occurs between a metal (loses electrons) and a nonmetal (gains electrons).

a)

Ionic bond

b)

Ion

c)

Product

d)

Molecule

75.

A rule stating that atoms lose, gain, or share electrons in order to have 8 valence electrons.

a)

Reactant

b)

molecule

c)

Oxidation number

d)

Octet rule

76.

written below the line to indicate the number of atoms.

a)

Anion

b)

Chemical bond

c)

IUPAC

d)

Subscript

77.

Numerical charge of an ion that indicates the number of electrons lost, gained, or shared. For example, a +1 means an atom lost 1 electron whereas a 3 means an atom gained 3 electrons.

a)

Oxidation number

b)

Product

c)

Pizza

d)

Ion

78.

Which is covalent?

a)

NeAr

b)

CaK

c)

SiSc

d)

BGe

79.

C + O

a)

Covalent

b)

Ionic

c)

Neither

80.

A Metal and a nonmetal bond when?

a)

Covalent

b)

Ionic

c)

Never

81.

Covalent?

a)

NO

b)

NaSe

c)

LiAs

d)

BeV

82.

What is the main reason for elements to form compounds?

a)

To become more stable

b)

To form covalent bonds

c)

To gain metallic properties

d)

To increase their atomic number

83.

What are the properties of covalent compounds?

a)

Made up of nonmetals sharing electrons

b)

Solid, liquid, or gas

c)

High melting and boiling points

d)

Can conduct electricity when dissolved in water

84.

What are the properties of ionic compounds?

a)

Made up of nonmetals sharing electrons

b)

Solid, liquid, or gas

c)

High melting and boiling points

d)

Cannot conduct electricity when dissolved in water

85.

When a covalent bond forms _______________ are shared.

a)

protons

b)

nutrons

c)

valence electrons

d)

quarks

86.

What type of elements form covalent bonds?

a)

Metals

b)

Non Metals

c)

Metalloids

d)

Nobel Gas

87.

How many valence electrons does Oxygen (O) have?

a)

6

b)

8

c)

15

d)

16

88.

How many atoms of hydrogen are in a sugar molecule with the formula C6H12O6

a)

12

b)

6

c)

24

d)

18

89.

An atom of nitrogen (N) has _______ open bonding sites.

a)

5

b)

4

c)

3

d)

8

90.

Valence electrons are located _____________ the nucleus of an atom

a)

close to

b)

farthest from

c)

randomly around

91.

Which statement describes the model that shows a compound.

a)

Model X shows a compound because there are two different types of atoms

b)

Model X shows a compound because two different atoms are chemically bonded together.

c)

Model Y dhows a compound because there is more than one type of atom.

d)

Model Y shows a compound because each pair of matching atoms can form a chemical bond.

92.

Which of the following is true about Covalent bonds?

a)

High melting point

b)

Low melting point

c)

Can conduct electricity

93.

What is considered the simplest form of matter?

a)

Compounds

b)

Colloids

c)

Solutions

d)

Elements

94.
What type of bond forms between two or more atoms that are charged (+/-)?
a)
Covalent bond
b)
Incomplete bond
c)
Ionic bond
d)
Metallic bond
95.
What would a property of the following element be?
a)
brittle
b)
gas
c)
good conductor
96.

are a "sea" of electrons

a)

ionic

b)

covalent

c)

metallic

97.

CAN conduct electricity when dissolved in water

a)

ionic

b)

covalent

c)

metallic

98.
The melting point of sugar is__________________ the melting point of table salt.
a)
greater than
b)
less than
c)
equal to
99.
What is water made of?
a)
Water
b)
Liquid
c)
Hydrogen and oxygen
d)
Blue 

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