CHM 130 Spring
’07 QUIZ 3 KEY
Lisa Diebolt
1.
Classify the
following as ionic or molecular compounds. (3 pts)
a.
CoCl2 ionic
b.
P2O5 molecular
c.
H2SO4 molecular
2.
Name the
following ions (6 points).
a.
Ba2+ barium ion
b.
Sn4+ tin (IV) ion
c.
Cr3+ chromium (III) ion
d.
Ag+ silver ion
e.
P3- phosphide ion
f.
I- iodide ion
3.
Write the
formula for each of the following compounds. (6 pts)
a.
iron(II) nitrite Fe(NO2)2
b.
sodium sulfide Na2S
c. dichlorine
heptaoxide Cl2O7
4.
Name each of the
following compounds. (10 pts)
a.
PbBr2
lead (II) bromide
b.
Ca(C2H3O2)2 calcium acetate
c.
KCN potassium
cyanide
d.
Cu3(PO4)2 copper (II) phosphate
e.
S4F6 tetrasulfur hexafluoride