Name
Date
Pd
Unit 6 – Worksheet 4 – Ionic Compounds
1. List at least 2 physical properties of Ionic Compounds:
2. What is the basic structural unit (simplest particle) of an ionic compound? Name and draw a picture.
3. How are ions produced from a neutral atom? Does the formation of a simple ion involve changes to the
atom’s positive core? Explain both.
4. Why must the total amount of positive charge in an ionic compound equal the total amount of negative
charge? Explain.
5. Do aqueous solutions of ionic compounds conduct electricity?
Explain why or why not, supporting your explanation with a particle diagram.
6. Complete the following chart, filling in all missing information and drawing representations of an
individual formula unit. (Five parts to complete for each compound)
IONS (Formula Unit)
Mg2+
and
I–
K+
and
Cl–
Modeling Chemistry
EMPIRICAL
FORMULA
1
NAME
U6 WS4 2013
and
_____
7.
and
aluminum oxide
_____
Cs2O
Next to the formula, give the name of the following
simple ionic compounds.
i. CuO___________________________________
a.
Na2O ___________________________________
b.
MgCl2___________________________________
8. Write the chemical formula for the following
ionic compounds next to the name.
c.
CaBr2___________________________________
a. lithium bromide
_____________
d.
Al2S3___________________________________
b. cesium oxide
_____________
e.
CsBr___________________________________
c. beryllium iodide
_____________
f.
AgF___________________________________
g.
Na3N___________________________________
h.
d. aluminum fluoride _____________
e. potassium oxide
_____________
f.
_____________
K2O___________________________________
sodium nitride
g. strontium oxide
9.
Write the name of these ionic substances next to the
formula, using a Roman numeral to specify the
charge of the cation.
_____________
10. Write the formulas of each ionic compound
next to the name.
a. SnBr2___________________________________
a. chromium(III) chloride _____________
b. SnBr4___________________________________
b. tin(IV) oxide
_____________
c. lead(II) oxide
_____________
d. copper(II) iodide
_____________
f. Fe2O3___________________________________
e. cobalt(II) oxide
_____________
g. HgS___________________________________
f. cobalt(III) oxide
_____________
h. CuI ___________________________________
g. chromium(III) sulfide _____________
c. Cr2O3___________________________________
d. MnI2 ___________________________________
e. PbCl2___________________________________
Modeling Chemistry
2
U6 WS4 2013
h. manganese(IV) oxide _____________
i. gold(III) chloride
_____________
j. titanium(IV) bromide _____________
Modeling Chemistry
3
U6 WS4 2013