1. Chemistry, The Central Science, 11th edition
Theodore L. Brown, H. Eugene LeMay, Jr.,
Bruce E. Bursten,
and Catherine J. Murphy
Chapter 5
Electronic Structure of Atoms
Dana & Michelle Chatellier
University of Delaware
© Copyright 2009, Pearson Education

2. The wavelength of
electromagnetic energy
multiplied by its frequency
equals:
a.
b.
c.
d.
c, the speed of light
h, Planck’s constant
Avogadro’s number
4.184

3. The wavelength of
electromagnetic energy
multiplied by its frequency
equals:
a.
b.
c.
d.
c, the speed of light
h, Planck’s constant
Avogadro’s number
4.184

4. The energy of a photon of
electromagnetic energy divided
by its frequency equals:
a.
b.
c.
d.
c, the speed of light
h, Planck’s constant
Avogadro’s number
4.184

5. The energy of a photon of
electromagnetic energy divided
by its frequency equals:
a.
b.
c.
d.
c, the speed of light
h, Planck’s constant
Avogadro’s number
4.184

6. Light that contains colors of all
wavelengths is called:
a.
b.
c.
d.
a continuous spectrum.
monochromatic.
a line spectrum.
a Balmer series.

7. Light that contains colors of all
wavelengths is called:
a.
b.
c.
d.
a continuous spectrum.
monochromatic.
a line spectrum.
a Balmer series.

8. The lowest energy state of an
atom is referred to as its:
a.
b.
c.
d.
bottom state.
ground state.
fundamental state.
original state.

9. The lowest energy state of an
atom is referred to as its:
a.
b.
c.
d.
bottom state.
ground state.
fundamental state.
original state.

10. “It is impossible to know both the
position and the momentum of
an electron simultaneously” is a
statement of:
a.
b.
c.
d.
Hund’s Rule.
deBroglie’s Hypothesis.
the Pauli Exclusion Principle.
the Heisenberg Uncertainty Principle.

11. “It is impossible to know both the
position and the momentum of
an electron simultaneously” is a
statement of:
a.
b.
c.
d.
Hund’s Rule.
deBroglie’s Hypothesis.
the Pauli Exclusion Principle.
the Heisenberg Uncertainty Principle.

12. “No two electrons in the same
atom may have the same
values for all four quantum
numbers” is a statement of:
a.
b.
c.
d.
Hund’s Rule.
deBroglie’s Hypothesis.
the Pauli Exclusion Principle.
the Heisenberg Uncertainty Principle.

13. “No two electrons in the same
atom may have the same
values for all four quantum
numbers” is a statement of:
a.
b.
c.
d.
Hund’s Rule.
deBroglie’s Hypothesis.
the Pauli Exclusion Principle.
the Heisenberg Uncertainty Principle.

14. All s orbitals are:
a.
b.
c.
d.
shaped like four-leaf clovers.
dumbbell-shaped.
spherical.
triangular.

15. All s orbitals are:
a.
b.
c.
d.
shaped like four-leaf clovers.
dumbbell-shaped.
spherical.
triangular.

16. The way electrons are
distributed among the various
orbitals of an atom is referred to
as the atom’s:
a.
b.
c.
d.
orbital diagram.
electron configuration.
electron distribution.
electron spread.

17. The way electrons are
distributed among the various
orbitals of an atom is referred to
as the atom’s:
a.
b.
c.
d.
orbital diagram.
electron configuration.
electron distribution.
electron spread.

18. [He]2s22p2 is the electron
configuration of which element?
a.
b.
c.
d.
beryllium
boron
carbon
nitrogen

19. [He]2s22p2 is the electron
configuration of which element?
a.
b.
c.
d.
beryllium
boron
carbon
nitrogen

20. Considering only the n = 1 to n = 5 states in
the hydrogen atom, which transition will emit
the most energy?
•
•
•
•
•
n = 5 to n = 4
n = 5 to n = 2
n = 3 to n = 1
n = 3 to n = 2
n = 4 to n = 2

21. Considering only the n = 1 to n = 5 states in
the hydrogen atom, which transition will emit
the most energy?
•
•
•
•
•
n = 5 to n = 4
n = 5 to n = 2
n = 3 to n = 1
n = 3 to n = 2
n = 4 to n = 2

22. Considering only the n = 1 to n = 5 states in
the hydrogen atom, which transition will emit
the longest wavelength?
•
•
•
•
•
n = 5 to n = 4
n = 5 to n = 2
n = 3 to n = 1
n = 3 to n = 2
n = 4 to n = 2

23. Considering only the n = 1 to n = 5 states in
the hydrogen atom, which transition will emit
the longest wavelength?
•
•
•
•
•
n = 5 to n = 4
n = 5 to n = 2
n = 3 to n = 1
n = 3 to n = 2
n = 4 to n = 2

24. What are the valence electrons
of vanadium?
•
•
•
•
•
4s2
3d3
4s23d3
3d5
4d5

25. What are the valence electrons
of vanadium?
•
•
•
•
•
4s2
3d3
4s23d3
3d5
4d5

26. What are the valence electrons
of gallium?
•
•
•
•
•
4s2
4p1
4s23d104p1
4s23d10
4s24p1

27. What are the valence electrons
of gallium?
•
•
•
•
•
4s2
4p1
4s23d104p1
4s23d10
4s24p1

28. What is the maximum number of orbitals
described by the quantum numbers:
•
•
•
•
•
n=3
1
3
5
8
9
l=2

29. What is the maximum number of
orbitals described by the
quantum numbers:
•
•
•
•
•
n=3
1
3
5
8
9
l=2

30. What is the maximum number of electrons
described by the quantum numbers:
•
•
•
•
•
n=4
7
14
16
32
48

31. What is the maximum number of
electrons described by the
quantum numbers:
•
•
•
•
•
n=4
7
14
16
32
48

32. How many unpaired electrons
does selenium have?
•
•
•
•
•
0
2
4
6
8

33. How many unpaired electrons
does selenium have?
•
•
•
•
•
0
2
4
6
8

34. How many unpaired electrons
does chromium have?
•
•
•
•
•
0
2
4
6
8

35. How many unpaired electrons
does chromium have?
•
•
•
•
•
0
2
4
6
8