Practice Final Exam - General Chemistry II Sample Final MC...

General Chemistry II
Sample Final MC, 100 Points
McCallum
• You have 80 minutes to complete this exam.
• You may use a calculator, 3 × 5 card, and the provided periodic table and equation sheet.
• Please box or otherwise indicate answers clearly.
• Ambiguous or unreadable work will not be graded.
• Read the questions carefully!!
Name:
Student I.D.:

Name: Student No.: 2
Multiple Choice questions. 50 Points
Choose the best answer from the list of choices. Use your scantron sheet and mark each answer clearly.
Be sure to fully erase all changes.
1. Cathode-ray tube experiments provided the first evidence of .
(a) subatomic particles
(b) x-rays
(c) fluorescence
(d) electric fields
(e) magnetic fields
2. There are electrons, protons, and neutrons in the ion
77
35
X
3 -
.
(a) 77, 32, 77
(b) 38, 35, 42
(c) 32, 80, 35
(d) 77, 77, 35
(e) 35, 35, 42
3. Subtracting the vapor pressure of water from the total pressure of a gas collected over water is an
example of the application of:
4. Which quantum numbers must be the same for the orbitals that they represent to be degenerate in
the hydrogen atom?
5. The lowest energy shell that contains f orbitals is the shell with n =

Name: Student No.: 3
6. Which of the following correctly represents the second ionization of calcium?
(a) Ca ( g ) -→ Ca
+
( g )+ e
-
(b) Ca
+
( g ) -→ Ca
2 +
( g )+ e
-
(c) Ca
-
( g )+ e
-
-→ Ca
2 -
( g )
(d) Ca
+
( g )+ e
-
-→ Ca
2 +
( g )
(e) Ca
+
( g )+ e
-
-→ Ca ( g )
7. What color of visible light has the longest wavelength?
8. What is the maximum number of double bonds that a carbon atom may have?
9. Generally, a molecule in which the central atom is sp
2
-hybridized will have a(n)
electron-pair geometry.
10. Based upon molecular orbital theory, there are unpaired electrons in the OF
+
ion.
(a) 0
(b) 3
(c) 1
(d) 2
(e) 4
11. Bond enthalpy is

Name: Student No.: 4
12. As a solid element melts, the atoms become and they have attraction for one
another.