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Practice Test: Ionic Compounds

Total questions: 57

Worksheet time: 56mins

Name
Class
Date
1.
Cu+  +   O-2
a)
Cu2O
b)
Cu2O2
c)
Cu+2O
d)
CU+1O3
2.
Fe+3   +    S-2
a)
FE+4(S)=3
b)
Fe2S4
c)
Fe2S3
d)
Fe3S2
3.
Ca+2  +  Br-
a)
Ca2Br2
b)
CaBr
c)
Ca(br)2
d)
CaBr2
4.
Ionic bonding always takes place between 
a)
ions of opposite electrical charge
b)
ions of the same electrical charge
c)
ions of the same size
d)
ions of the same size and opposite charge
5.
The chemical formula for an ionic compound of aluminum and chlorine is
a)
AlCl.
b)
ClAl.
c)
AlCl3.
d)
Al3Cl.
6.
MgF2
a)
magnesium fluoride
b)
manganese Phosphide
c)
magnesium(III) fluoride
d)
magnesium fluoride(II)
7.
The force of attraction that holds atoms or ions together
a)
covalent compound
b)
chemical bond
c)
ionic compound
d)
valence electron
8.
compound made of oppositely charged ions
a)
covalent compound
b)
chemical bond
c)
ionic compound
d)
valence electron
9.
located in the outermost energy level of an atom; their behavior determines what kind of compound is formed
a)
covalent compound
b)
chemical bond
c)
ionic compound
d)
valence electrons
10.
If it is brittle, dissolves easily in water, has a high melting point, and conducts electric current, it is a(n)
a)
valence electron
b)
ionic compound
c)
covalent compound
d)
sugar
11.
When a metal reacts with a nonmental, it makes
a)
an ionic compound
b)
a covalent compound
c)
a low melting point
d)
water molecules
12.
According to the octet rule, a calcium atom has a tendency to 
a)
lose one electron
b)
lose two electrons
c)
gain one electron
d)
gain two electrons
13.
The correct name for the salt with the formula CaI2 is
a)
calcium diodide
b)
calcium iodide
c)
calcium iodine
d)
dicalcium iodine
14.
The correct formula for magnesium oxide is 
a)
Mg2O
b)
MgO
c)
MgO2
d)
Mg2O3
15.
The only property listed that is NOT characteristic of ionic compounds is 
a)
high melting point
b)
hardness
c)
lack of crystal structure
d)
brittleness
16.
Which of the following is an ionic compound:
a)
CH4
b)
I2
c)
LiBr2
d)
CO
17.
Which of the following is NOT an ionic compound:
a)
CaO
b)
NaOH
c)
BaCl2
d)
Br2
18.
What would be the proper chemical formula for combining Al3+ and Cl- :
a)
AlCl3
b)
Al3Cl
c)
AlCl
d)
Al3Cl3
19.
Name the following ionic compound: BeCl2
a)
beryllium chlorine
b)
beryllium II chloride
c)
beryllium chloride
d)
beryllium dichloride
20.
name the following ionic compound: NaF
a)
nitrogen fluorine
b)
sodium fluoride
c)
nitrogen fluoride
d)
sodium fluorine
21.
What is the formula for calcium phosphide?
a)
CaP
b)
Ca2P3
c)
Ca3P2
d)
Ca2P
22.

AlCl3 is called...

a)

aluminum (III) chlorine

b)

aluminide chloride

c)

aluminum trichloride

d)

aluminum chloride

23.

What is the oxidation number of potassium, atomic # 19?

a)

+1

b)

+2

c)

-1

d)

-2

24.

Which of the following has six valence electrons?

a)

Sodium, atomic #11

b)

Iodine, atomic # 53

c)

Oxygen, atomic # 8

d)

Neon, atomic # 10

25.

If I am in group 17 how many valence electrons do I have?

a)

17

b)

1

c)

7

d)

none, I am a noble gase

26.

The chemical formula for an ionic compound of potassium (at.# 19) and oxygen (at.#8) is

a)

KO.

b)

K2O.

c)

K2O2.

d)

KO2.

27.
What are the charged particles that form when atoms gain or lose electrons?
a)
bonds
b)
ions
c)
atoms
d)
valence electrons
28.
What is the charge of an aluminum ion that has 13 protons and 10 electrons?
a)
1+
b)
2+
c)
3+
d)
4+
29.
When atoms gain electrons during chemical changes, what charge do they acquire?
a)
positive charge
b)
neutral charge
c)
negative charge
d)
chemical charge
30.
What ending is used for the names of negative ions formed when atoms gain electrons?
a)
-ion
b)
-ade
c)
-ide
d)
-ate
31.
What is the formula for Calcium Phosphate?
a)
Ca2P3
b)
Ca3(PO4)2
c)
Ca3P2
d)
Ca2(PO4)3
32.
What is the formula for Magnesium perchlorate 
a)
Mg2ClO4
b)
MgClO4
c)
Mg(ClO4)2
d)
Mg4(
Mg4ClO
33.
What is the formula for Nickle (II) sulfate?
a)
NiSO4
b)
Ni4SO2
c)
Ni2SO4
d)
Ni3(SO4)2
34.
What is the formula for Strontium hydroxide?
a)
Sr2OH
b)
Sr3(OH)2
c)
Sr(OH)2
d)
SrOH
35.
What is the formula for Lithium Oxide?
a)
Li2O3
b)
LiO2
c)
LiO
d)
Li2O
36.
Name the compound: BeCl2
a)
Beryllium Chloride
b)
Beryllium Dichloride
c)
Beryllium (II) Chloride
d)
Beryllium Chlorine
37.
Name the compound: GaS
a)
Gallium Sulfide
b)
Gallium Sulfate
c)
Gallium Sulpher
d)
Gallium (II) Sulfide 
38.
What is the formula for Ammonium Nitrate?
a)
NH4NO3
b)
NH4(NO3)2
c)
NH3NO4
d)
(NH4)3(NO3)2
39.
Name the compound: Ag2CO3
a)
Silver (I) Carbonate
b)
Silver Carbonate
c)
Silver Carboxide
d)
Silver Chromate
40.

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

a)

N

b)

N-3

c)

N-5

d)

N+5

41.
In the compound aluminum oxide, which is the cation?
a)
Al+3
b)
Al
c)
O-2
d)
O
42.

Ionic bonds happen because of the ____ of valence electrons.

a)

sharing

b)

transfer

c)

keeping

d)

covering

43.
How many electrons are needed in the outer energy levels of an atom to be stable?
a)
2
b)
4
c)
6
d)
8
44.
Which of the following would produce an anion?
a)
Ca
b)
Al
c)
K
d)
F
45.

Compounds composed of a ______________ and _____________ like the compound CaCl2 , are ionic compounds.

a)

metal ... metal

b)

nonmetal ... nonmetal

c)

metal ... nonmetal

46.
What elements generally make an ionic bond?
a)
metal and nonmetal
b)
2 or more nonmetals
c)
metal
d)
none of the above
47.

Why do atoms form bonds?

a)

to attain a noble gas configuration

b)

to increase their mass

c)

to increase their atomic number

d)

to attain an alkali metal configuration

48.
Why are ions charged particles?
a)
The number of electrons does not equal the number of protons.
b)
The number of protons does not equal the number of neutrons.
c)
The number of neutrons does not equal the number of electrons.
d)
The electric charges of the electrons and protons cancel each other out.
49.
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
50.

Which is the correct formula for PbS2?

a)

lead sulfide

b)

lead sulfur

c)

lead (II) sulfide

d)

lead (IV) sulfide

51.

What is the formula for manganese (III) oxide?

a)

MgO

b)

Mg2O3

c)

MnO

d)

Mn2O3

52.

Which is the correct formula for acetate?

a)

C2H3O21-

b)

C3O2H31-

c)

H2C2O31-

d)

C3H3O31-

53.
chlorate
a)
ClO21-
b)
ClO31-
c)
ClO41-
d)
ClO1-
54.

Which is the correct formula for carbonate?

a)

C4-

b)

CO42-

c)

CO32_

d)

CO22-

55.
sulfate
a)
SO22-
b)
SO43-
c)
SO32-
d)
SO42-
56.
What holds atoms together?
a)
chemical bond
b)
chemical glue
c)
gold bond
d)
chemical formula
57.

What is the name of the three-dimensional pattern that forms when ions bond?

a)

a crystal lattice

b)

a chemical compound

c)

an ionic bond

d)

an ionic chalice

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