WorksheetsU4 Test Review (Ionic Compounds)
Total questions: 55
Worksheet time: 5hrs 35mins
Name
Class
Date
1.
An atom or bonded group of atoms having a positive or negative charge.
a)
ion
b)
monatomic ion
c)
ionic compound
d)
polyatomic ion
2.
Formed when one or more electrons are transferred from one atom to another, forming cations and anions.
a)
ionic bond
b)
chemical bond
c)
monatomic ion
d)
polyatomic ion
3.
The product that results when metals react with nonmetals.
a)
ionic compound
b)
ion
c)
monatomic ion
d)
polyatomic ion
4.
Ions formed from a single atom.
a)
ionic bond
b)
monatomic ion
c)
polyatomic ion
d)
ionic compound
5.
States that when atoms combine to form compounds they generally each lose, gain, or share valence electrons until they attain or share eight.
a)
octet rule
b)
ionic compound
c)
electrolyte
d)
chemical bond
6.
Ions that are made of more than one atom.
a)
polyatomic ion
b)
ionic compound
c)
monatomic ion
d)
electrolyte
7.
A positively charged ion that forms when an atom loses valence electrons.
a)
anion
b)
cation
c)
monatomic ion
d)
polyatomic ion
8.
The force that holds two atoms together.
a)
chemical bond
b)
ionic bond
c)
ionic compound
d)
electrolyte
9.
A substance that conducts electricity when dissolved in water.
a)
electrolyte
b)
polyatomic ion
c)
monatomic ion
d)
ion
10.
In the equation for the formation of magnesium sulfide shown, which atom gains electrons?
a)
A
b)
B
c)
C
d)
D
11.
Which is the charge that results when oxygen (O) becomes an ion?
a)
2+
b)
3-
c)
3+
d)
2-
12.
Group 3A elements tend to acquire which charge when they form ions?
a)
3+
b)
5-
c)
5+
d)
3-
13.
Which is a physical property of ionic compounds in their solid state?
a)
good conductor of electricity
b)
weak attractive forces between ions
c)
low boiling point
d)
high melting point
14.
Which is the correct formula for the compound formed between beryllium and nitrogen?
a)
BeN
b)
Be3N
c)
Be3N2
d)
Be2N3
15.
What is the correct formula for the compound formed between magnesium and the phosphate ion?
a)
Mg(PO4)
b)
Mg3(PO2)
c)
Mg3(PO4)2
d)
MgP2O8
16.
Which is the correct formula for the compound manganese (III) fluoride?
a)
MnF
b)
Mn3F
c)
MnF3
d)
Mn3F3
17.
Which is the correct formula for the compound chromium (II) nitrate?
a)
(Cr)2NO3
b)
Cr2(NO3)
c)
Cr(NO2)
d)
Cr(NO3)2
18.
Which is the correct name for the compound Ca(ClO2)?
a)
calcium chloride
b)
calcium chloroxide
c)
calcium chlorite
d)
calcium chlorate
19.
Which is the correct name for the compound Na3P?
a)
sodium phosphide
b)
sodium phosphite
c)
sodium phosphate
d)
sodium (III) phosphide
20.
Which is the correct name for the compound (NH4)(SO4)?
a)
nitrogen hydrogen sulfate
b)
nitrogen hydrosulfate
c)
ammonium (II) sulfate
d)
ammonium sulfate
21.
How many valence electrons are in an atom of phosphorus (P)?
a)
2
b)
3
c)
4
d)
5
22.
How many valence electrons are in an atom of magnesium (Mg)?
a)
2
b)
3
c)
4
d)
5
23.
How many valence electrons does a helium atom have?
a)
2
b)
3
c)
4
d)
5
24.
What is the name given to the electrons in the highest occupied (outermost) energy level of an atom?
a)
orbital electrons
b)
valence electrons
c)
anions
d)
cations
25.
How does calcium obey the octet rule when reacting to form compounds?
a)
it gains electrons
b)
it loses electrons
c)
it does not change its number of electrons
d)
calcium does not obey the octet rule
26.
What is the charge on the strontium ion?
a)
2-
b)
1-
c)
1+
d)
2+
27.
How many electrons does silver (Ag) have to lose in order to achieve stability?
a)
1
b)
2
c)
3
d)
4
28.
How many electrons does selenium (Se) have to gain in order to achieve stability?
a)
1
b)
2
c)
3
d)
4
29.
Which of the following elements does NOT form an ion with a charge of 1+?
a)
fluorine
b)
hydrogen
c)
potassium
d)
sodium
30.
What is the charge on the cation in the ionic compound sodium sulfide?
a)
0
b)
1+
c)
2+
d)
3+
31.
Which of the following occurs in an ionic bond?
a)
oppositely charged ions attract
b)
two atoms share electrons
c)
two atoms share more than two electrons
d)
like-charged ions attract
32.
What is the net (overall) charge of the ionic compound calcium fluoride?
a)
2-
b)
1-
c)
0
d)
1+
33.
How many valence electrons are transferred from the nitrogen atom to potassium in the formation of the compound potassium nitride?
a)
0
b)
1
c)
2
d)
3
34.
How many valence electrons are transferred from the calcium atom to iodine in the formation of the compound calcium iodide?
a)
0
b)
1
c)
2
d)
3
35.
Which of the following pairs of elements is most likely to form an ionic compound?
a)
magnesium and fluorine
b)
nitrogen and sulfur
c)
oxygen and chlorine
d)
sodium and aluminum
36.
Ionic compounds are normally in which physical state at room temperature?
a)
solid
b)
liquid
c)
gas
d)
plasma
37.
Under what conditions can potassium bromide conduct electricity?
a)
potassium bromide always conducts electricity
b)
only when dissolved
c)
only when it is in crystal form
d)
potassium bromide does not not conduct electricity under any conditi
38.
Which of the following is NOT an ion?
a)
H1+
b)
Br1-
c)
O2
d)
(NO3)
39.
If a neutral atom loses one electron, what is the electrical charge of the atom?
a)
1-
b)
1+
c)
2-
d)
2+
40.
If a neutral atom gains two electrons, what is the electrical charge of the atom?
a)
1-
b)
1+
c)
2-
d)
2+
41.
Which of the following is a cation?
a)
Na1+
b)
Mg
c)
O2-
d)
Br
42.
Which of the following is an anion?
a)
Mg2+
b)
S
c)
O2-
d)
Al
43.
Which of the following is the correct electron-dot structure for chlorine?
a)
A
b)
B
c)
C
d)
D
44.
Why are atoms neutral (have no charge)?
a)
they have the same number of neutrons and electrons
b)
they have the same number of protons and neutrons
c)
they have the same number of protons and electrons
d)
they are NOT neutral
45.
When an ion is formed, what subatomic particle is added or taken away from the atom?
a)
proton
b)
electron
c)
neutron
d)
photon
46.
The Na1+ ion is smaller than the Na atom, and Cl1- is larger than the Cl atom. Why?
a)
the Na atom lost an electron, while the Cl atom gained an electron
b)
the Na and Cl atoms both gained electrons
c)
the Na and Cl atoms both lost electrons
d)
the Na atom gained an electron, while the Cl atom lost an electron
47.
When naming ionic compounds, which of the following is named first?
a)
the cation
b)
the anion
c)
the metal
d)
the cation or metal
48.
How many more valence electrons does carbon need to gain in order to have a full octet?
a)
5
b)
4
c)
3
d)
1
49.
Which of the following is the correct name for Fe2S3?
a)
iron (III) sulfide
b)
iron sulfate
c)
iron sulfide
d)
iron (II) sulfide
50.
During our "Making Ionic Compounds" Lab, the metal magnesium reacted to oxygen in the air. Which of the following compounds was formed?
a)
MgO
b)
Mg2O
c)
MgO2
d)
Mg2O2
51.
Which of the following groups of elements is most likely to form ions by GAINING two electrons?
a)
W
b)
X
c)
Y
d)
Z
52.
Which of the following groups of elements is most likely to form ions by LOSING one electron?
a)
w
b)
x
c)
y
d)
z
53.
Which of the following is the correct name for Na2O?
a)
sodium (I) oxide
b)
sodium (II) oxide
c)
sodium oxate
d)
sodium oxide
54.
Which of the following is the correct name for TiBr3?
a)
titanium (III) bromide
b)
titanium bromide
c)
titanium bromate
d)
titanium (I) bromide
55.
A negatively charged ion that forms when an atom gains valence electrons.
a)
anion
b)
cation
c)
monatomic ion
d)
polyatomic ion
100 %
