5.
Which of the following must be true about the curves A, B, and C plotted above?
a. The orbitals represented by A, B, and C have only one phase.
b. Curve C could represent an orbital with
n
= 3.
c. The orbitals represented by A, B, and C have
l
> 0.
d. both b. and c.
e. all of a., b., and c.
6.
The nucleus of a hydrogen atom is located at the origin on a set of
x
,
y
, and
z
axes.
Suppose the
probability of finding the 2
s
electron at the point (
x
,
y
,
z
) = (d, 0, 0) is 0.01.
Which of the
following must be true?
a. The probability of finding the electron at (
x
,
y
,
z
) =
(0, 0, d) is 0.01.
b. The probability of finding the electron at (
x
,
y
,
z
) =
(0, 0, d) is zero.
c. The probability of finding the electron at (
x
,
y
,
z
)
= (2d, 0, 0) is equal to 0.02.
d. both a. and c.
e. both b. and c.
7.
The nucleus of a hydrogen atom is located at the origin on a set of
x
,
y
, and
z
axes.
Suppose the
probability of finding the 2
p
z
electron at the point (
x
,
y
,
z
) = (0, 0, 0.05) is equal to 0.001.
Which
of the following must be true?
a. The probability of the finding the electron at (
x
,
y
,
z
) = (0, 0.05, 0) is equal to 0.001.
b. The probability of finding the electron at (
x
,
y
,
z
) = (0.05, 0, 0) is equal to 0.001.
c. The probability of finding the electron at the point (
x
,
y
,
z
) = (0.05, 0.05, 0) is less than
0.001.
d. both a. and b.
e. all of a., b., and c.