Chapter 9 Test
Chemistry
Mr. Chormanski
Name________________________________
1.
Explain the difference between cations, and anions.
2.
Fill in the charges on the atoms listed including the correct sign in the table below.
3.
Explain why there are no elements listed in Group 8A.
4.
Fill in the blanks in the following table.
5.
Write the formulas for compounds formed from these pairs of ions:
(a) Sr 2+, N 3 ‒
(b) Na +, P 3 ‒
(c) Fe(II), S 2 ‒
(d) Al 3+, Se 2 ‒
6.
Write the formulas for these compounds:
(a) Beryllium chloride
(b) Sodium iodide
(c) Chromium (III) nitrate
(d) Magnesium hydrogen carbonate
7.
Write the formulas for these binary molecular compounds:
(a) Phosphorus pentacholoride
(b) Iodine heptafluoride
(c) Chlorine trifluoride
(d) Iodine dioxide
(e) Dinitrogen trioxide
(f) Dinitrogen tetrahydride
8. Give the names of these acids/bases:
(a) HClO
(b) H2CO3
(c) HClO2
(d) HClO3
(e) Fe(OH)3
(f) HClO4
9.
The United States produces thousands of different kinds of inorganic chemicals.
The table shows the amounts (in billions of kg) of the top ten inorganic chemicals
produced in 2009.
Chemical
Sulfuric Acid
Nitrogen
Oxygen
Ammonia
Lime
Phosphoric Acid
Sodium Hydroxide
Chlorine
Sodium Carbonate
Nitric Acid
Amount Produced (billions of kg)
39.4
26.9
17.7
16.5
16.3
11.2
11.0
10.3
9.3
6.8
(a) What percentage of the total production of the top ten is lime (calcium oxide)?
(b) Three diatomic gases are on the list. What are their names? What was the
combined production of these gases in billions of kg?
(c) What percentage of the total production of the top ten is the three acids?
(d) Write formulas for the top ten inorganic chemicals.
10.
Describe the Law of Definite Proportions.