Group Assignment 5
Name:
1. Write the names of the following ionic compounds.
CaO
___________
Al2O3 ___________
VBr5
___________
FeCl4 ___________
2. Write the Balanced Formulas for the following Anions and Cations:
N3O2PO43OHCa2+
Na+
Fe3+
Fe4+
Al3+
NH4+
3. Match the Name with the Formula:
a.
MgS
MgSO3
MgSO4
b.
Ca(ClO3)2
CaCl2
Ca(ClO2)2
A. magnesium sulfite
B. magnesium sulfate
C. magnesium sulfide
A. calcium chlorate
B. calcium chlorite
C. calcium chloride
4. Which Formula is Correct?
a. aluminum nitrate
A. AlNO3
B. Al(NO)3
C. Al(NO3)3
b. copper(II) nitrate
A. CuNO3
B. Cu(NO3)2
C. Cu2(NO3)
c. iron(III) hydroxide
A. FeOH
B. FeOH3
C. Fe(OH)3
d. tin(IV) hydroxide
A. Sn(OH)4
B. Sn(OH)2
C. Sn4(OH)
SO42-
5. Draw the electron dot formula for the following covalent compounds and give their electron group
arrangement and their molecular shape:
Electron Group
Molecular
Compound
Electron Dot Formula
Arrangement
Shape
NF3
H2O
PCl3
SO3
6. For the following bonds, what’s the difference in electronegativity and the predicted bond type?
Electronegativity
Bond
Bond Type
Difference
KCl
SeBr
BO
LiS
7. Are the following reactions balanced, if not, balance them.
a)
KCLO3 →
KCl +
O2
c)
C4H10 +
O2→
CO2+
H2O
b)
PCl3 +
d)
Fe +
Cl2 →
O2 →
PCl5
Fe2O3
8. Name the following reaction types:
a) C3H8 + 5O2→ 3CO2 + 4H2O
b) 2Fe(s) + AuCl4 (aq) → Au(s) + 2FeCl2(aq)
c) H2CO3 → CO2 + H2O
9. In the following reaction, label the species being oxidized and the species being reduced and give the
oxidation and reduction reactions.
Zn(s) + 2HCl (aq) → H2(g) + ZnCl2(aq)
10. If there are 1.50 moles of H2SO4:
a) How many molecules are there of H2SO4?
b) How many S atoms?
c) How many O atoms?
d) What is the molar mass of H2SO4?
e) How many grams of H2SO4 are there?