[Skip Breadcrumb Navigation]
:
[Skip Breadcrumb Navigation]
Home
Chapter 5: Periodicity and Atomic Structure
Problem Solving Center
Self Quiz 2
Self Quiz 2
This activity contains 20 questions.
An X ray has a wavelength of 1.2 Å. Calculate the energy in J of one photon of this radiation (1Å = 10
-10
m).
1.7 x 10
-15
1.7 x 10
-5
1.7 x 10
-20
1.2 x 10
-10
1.2
Atomic radius generally increases
up a group and from right to left across a period.
down a group and from left to right across a period.
down a group and from right to left across a period.
up a group and from left to right across a period.
Calculate the energy in J of a photon of red light that has a frequency of 4.35 x 10
14
s
-1
.
1.45 x 10
-10
1.04 x 10
27
6.90 x 10
-7
4.35 x 10
14
2.88 x 10
-19
Calculate the frequency in s
-1
of ultraviolet radiation that has a wavelength of 248 nm.
1.21 x 10
15
121
248
82.7
8.27 x 10
15
Calculate the wavelength in m of microwave radiation that corresponds to an energy of 2.63 J/mol photons.
1.14 x 10
8
3.90 x 10
33
2.63
1.35 x 10
7
4.55 x 10
-2
Calculate the wavelength in nm of an X ray that has a frequency of 3.22 x 10
16
s
-1
.
3.22 x 10
7
9.31
931
1.07
10.7
How many minutes does it take for the light from the Sun to reach the Earth, a distance of 93 million miles (1 km = 0.62 mile)?
It takes 0.14 minutes.
It takes 93 minutes.
It takes 8.3 minutes.
It takes 0.38 minutes.
It takes 500 minutes.
In which atom does the outermost electrons experience the
weakest
effective nuclear charge?
C is the atom.
Be is the atom.
N is the atom.
F is the atom.
O is the atom.
Refer to the partial periodic table reproduced below. The element that has the largest atomic radius is
Ge.
Se.
Te.
Sn.
The
lowest
-numbered principal shell in which
d
orbitals are found is
2.
5.
3.
4.
1.
The Bohr equation for the hydrogen atom is
E
n
= -2.18 x 10
-18
J/n
2
. Calculate the frequency in s
-1
of the radiation released when an electron falls from the
n
= 4 to the
n
= 2 energy level of a hydrogen atom.
6.17 x 10
14
4.09 x 10
-19
486.1
7.33 x 10
7
1.36 x 10
-19
The element that has the largest atomic radius is
Ga.
N.
Si.
Cs.
Sr.
The elements below that are in order of
decreasing
atomic radius are
Na, Mg, Si, and P.
Mg, Na, P, and Si.
Si, P, AR, Na, and Mg.
Si, P, Na, and Mg.
The following set of elements is in the correct order of increasing atomic radius (smallest one first, etc.);
P, S, and C.
B, Al, and Ga.
Ga, Ge, and As.
I, Br, and Cl.
As, S, and P.
The maximum wavelength of light that will cause ejection of a photoelectron in silver metal is 262 nm. What is the threshold energy, or minimum energy, in J required to eject an electron from silver?
8.73 x 10
-16
7.58 x 10
-19
7.58 x 10
19
1.31 x 10
18
1.21 x 10
15
The metal that is most likely to form several different positive ions is
Cs.
Al.
V.
Ca.
The valence-shell electron configuration of the halogens is
ns
2
np
3
.
ns
1
.
ns
2
np
6
.
ns
2
.
ns
2
np
5
.
Which is a possible set of quantum numbers for a 4
f
electron?
4, 3, 3, +1/2
4, 2, 2, +1/2
3, 4, 3, +1/2
4, 2, 1, -1/2
4, 3, -4, -1/2
Which set is
not
an acceptable set of quantum numbers?
n
= 7,
l
= 3,
m
l
= +3
n
= 2,
l
= 1,
m
l
= +1
n
= 2,
1
= 1,
m
l
= -1
n
= 1,
l
= 0,
m
l
= 0
n
= 3,
l
= 1,
m
l
= -3
Which type of electromagnetic radiation would have the
shortest
wavelength?
IR
X rays
UV
visible
microwaves
The Submit Answers for Grading feature requires scripting to function. Your browser either does not support scripting or you have turned scripting off.
So, the Submit Answers for Grading button below will not work.
The following Submit Answers for Grading button is provided in its place and will clear your answers:
The Clear Answers and Start Over feature requires scripting to function. Your browser either does not support scripting or you have turned scripting off.
So, the Clear Answers and Start Over button below will not work.
The following Clear Answers button is provided in its place and will clear your answers:
Your browser either does not support scripting or you have turned scripting off. Because of this, the answer choices will NOT appear in a different order each time the page is loaded, though that is mentioned below. Note that you do not need this feature to use this site.
Answer choices in this exercise appear in a different order each time the page
is loaded.
Copyright © 1995 - 2010
Pearson Education
. All rights reserved. Pearson Prentice Hall is an imprint of
Pearson
.
Legal Notice
|
Privacy Policy
|
Permissions
[Return to the Top of this Page]
: [Return to the Top of this Page]
