. A gas occupies 12.3 liters at a pressure of 40.0 mm Hg. What is the volume when the pressure
is increased to 60.0 mm Hg?
2. If a gas at 25.0 °C occupies 3.60 liters at a pressure of 1.00 atm, what will be its volume at a
pressure of 2.50 atm?
3. To what pressure must a gas be compressed in order to get into a 3.00 cubic foot tank the
entire weight of a gas that occupies 400.0 cu. ft. at standard pressure?
4. A gas occupies 1.56 L at 1.00 atm. What will be the volume of this gas if the pressure
becomes 3.00 atm?
5. A gas occupies 11.2 liters at 0.860 atm. What is the pressure if the volume becomes 15.0 L?
6. 500.0 mL of a gas is collected at 745.0 mm Hg. What will the volume be at standard pressure?
7. Convert 350.0 mL at 740.0 mm of Hg to its new volume at standard pressure.
8. Convert 338 L at 63.0 atm to its new volume at standard pressure.
9. Convert 273.15 mL at 166.0 mm of Hg to its new volume at standard pressure.
10. Convert 77.0 L at 18.0 mm of Hg to its new volume at standard pressure.
What unit of measurement is used to measure the atomic weight of an atom?
Your answer:
Grams (g)
Meters (m)
Liters (L)
Atomic mass units (amu)
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An atom conatins 5 neutrons and 5 electrons. Based on this information, what is the atomic weight of
this atom?
Your answer:
5 amu
10 amu
15 amu
20 amu
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Flourine has an atomic weight of 18 amu. We also know that Flourine has 9 protons. Based on this
information,how many neutrons must Flourine have?
Your answer:
9 protons
10 protons
18 protons
Zero Protons
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Hydrogen has an atomic mass of 1 amu. If Hydrogen has 1 proton, how many neutrons does hydrogen
have?
Your answer:
1 Neutron
2 Neutron
Zero Neutrons
5 Neutrons
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The atomic number of Nitrogen is 7. We also know that the atomic mass of nitrogen is 14 amu. Based on
this information, how many neutrons must nitrogen have?
Your answer:
Zero Neutrons
5 Neutrons
7 Neutrons
14 Neutrons
3a) Write out the electron configuration for Na, S, Mo, Ne, and Ce. (The whole thing!!!)
3b) Draw the Lewis dot diagram.
3c) How many valence electrons does each of those elements have?
3d) What is the oxidation number for each of those elements?
4) What is the charge of noble gases? Why? Where do I find noble gases on the periodic table?
5) What is the charge of halogens? Why? Where do I find them on the periodic table?
6) What is the charge of alkaline earth metals? Why? Where do I find them on the periodic
table?