1.
An ion is formed when an atom
A. 
Gains or loses an electron
B. 
C. 
Only gives away valence electrons
D. 
Only receives valence electors
2.
Ions that are made up of two or more different atoms are called
3.
The attraction between two oppositely charged ions, a positively charged metal and a negatively charged nonmetal, is a called a(n)
A. 
B. 
C. 
D. 
4.
When atoms combine together and have a full outer shell or energy level, the atoms have become
5.
Atoms that will always gain electrons to become stable are found in
6.
Atoms that will always loose electrons to become stable are
7.
Atoms that are considered stable just by their position on the periodic table are
A. 
B. 
C. 
D. 
8.
Atoms that have the ability to form more than one ion are called
9.
What is the total number of atoms in H2SO4?
A. 
B. 
C. 
D. 
10.
What is the total number of atoms in Al2(SO4)3?
A. 
B. 
C. 
D. 
11.
What is the charge of Sodium (Na)?
12.
All of the following are properties of an ionic compound accept for
A. 
B. 
C. 
Conduct electricity when dissolved in water
D. 
Consist of a metal and nonmetal
13.
What is the charge of Selenium (Se)?
14.
What is the charge of Aluminum (Al)?
15.
What is the charge of Krypton (Kr)?
16.
The electron dot diagrams below show the number of valence electrons for each element. Which element will become stable by losing one valence electron.
17.
The electron dot diagrams below show the number of valence electrons for each element. Which element is considered to be stable?
18.
Using the diagram below, identify the one nonmetal that would react with two atoms of sodium to form a stable ionic compound.
19.
In a chemical formula, the subscript represents the
A. 
B. 
Number of atoms of each element
C. 
Number of valence electrons for each element
20.
The ionic charge (oxidation number) of Fe in Fe2S3 is ___________.
A. 
B. 
C. 
D. 
21.
An atom that has gained an electron to become stable is
A. 
A negatively charged ion (anion)
B. 
A positively charged ion (cation)
22.
All elements in the Halogen group (group 17) have a charge of
23.
When naming an ionic compound, the name of the metal comes first.
24.
An element in the Alkaline Earth Metal group (charge of +2) would be most likely to form an ionic bond with an element in __________ .
25.
The name of the metal Iron III indicates that the charge on the iron ion will be _____. (Hint: use the variable charge ion worksheet).