Jaeger
Chapter 7.1 + 7.2 Ionic Compounds homework review sheet
Honors chemistry
Name ______________________________________ Period ________________ Date __________
Structure of Sodium Chloride
1. Which of the ions in the diagrams represent
sodium ions: the large ones or the small ones? ______________
Which represent chloride ions? __________________________
2. What is the charge on a sodium ion? __________________
What is the symbol for the ion? ______________________
3. What is the charge on a chloride ion? _________________
.
What is the symbol for the ion? ______________________
4. If the bottom diagram were extended in all directions,
how many sodium ions would surround each chloride ion? _____
5. How many chloride ions would surround each sodium ion? ___________________________
6. What type of compound is sodium chloride: covalent or ionic? _______________________________
7. What is the attractive force between a sodium ion and a chloride ion called? ________________ bond
8. Word bank
a) Octet rule
b) Noble gas configuration c) Crystal
d) electrolyte e) Ionic bond
f) chemical bond g) Ionic compound
h) Lattice energy
i) Binary ionic compound
____ The force that holds two atoms together (due to the attraction between the positive nucleus of one
atom and the negative electrons of another atom.
____ Stable electron configuration of a noble gas with eight valence electrons (He 2 valence electron)
____ Other atoms become stable by reacting to achieve the outer-level electron structure of a noble
gas (Group 18), usually eight valence electrons
____ The strong attractive force between ions of opposite charge in ionic compounds
____ A regular, repeating arrangement of particles in three dimensions.
____ Compound that contains ionic bonds
____ Contains only two different elements: a metallic cation and a nonmetallic anion.
____ A compound that conducts electricity when melted or in aqueous solution (dissolved in water)..
____ The energy required to separate 1 mol of ions in an ionic compound.
10. Name typical properties of ionic compounds: ___________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
Jaeger
Chapter 7.1 + 7.2 Ionic Compounds homework review sheet
Honors chemistry
11. Why are noble gases so unreactive? ____________________________________________________
_____________________________________________________________________________________
12. Why is helium stable with only two valence electrons? _____________________________________
_____________________________________________________________________________________
13. Complete the table (possible answers in first column in italic)
Ion
Cation
Atoms or groups of atoms that
have a
(positive or negative charge?)
Any charge
Formed by
(Gaining or losing electrons?)
losing or gaining
electrons
Formed by which elements
(metals or nonmetals)
Any except noble
gases
2+
Anion
-
14. In what ratio would you combine Mg ions and F ions
to make a stable ionic compound? (charges must cancel out) ________________________________
15. How many electrons would you think the following metals would lose to reach noble gas
configuration? (use the periodic table and find out how many valence electrons each has and remove all)
a) Li ______
b) K ______
c) Ca
______ d) Be
______
e) Al ______
f) Sn ______
16. Describe the correlation between the preferred charges of the cations and group A number in the
periodic table of the elements.
_____________________________________________________________________________________
_____________________________________________________________________________________
17. How many electrons would you think the following nonmetals would gain to reach noble gas
configuration? (use the periodic table and find out how many valence electrons each has and add enough
to make it eight)
a) N ______
b) P ______
c) O ______
d) S ______
e) F ______
f) Br ______
18. Describe the correlation between the preferred charges of the anions and group A number in the
periodic table of the elements?
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