Chapter 7 Quiz - The Fundamental Nature Of Matter & Energy

15 Questions  Settings  Chapter 7 Quiz

• 1.
If the wavelength of an electromagnetic wave is 3.00 meters, then what is its frequency?
• A.

1.00 x 10^8 Hz

• B.

9.00 x 10^8 Hz

• C.

1.00 x 10^7 Hz

• D.

9.00 x 10^9 Hz

• 2.
If an electromagnetic wave has a frequency of 1.00 x 1010 Hz, what would be the energy contained in one photon of this wave?
• A.

3.00 x 10^-2 J

• B.

3.00 x 10^18 J

• C.

6.63 x 10^-24 J

• D.

6.63 x 10^-34 J

• 3.
Assume a 3.31-kg ball is thrown at a speed of 1.00 m/s.  What is the deBroglie wavelength of this object?
• A.

2.62 x 10^-31 m

• B.

2.00 x 10^-34 m

• C.

5.00 x 10^-35 m

• D.

3.31 x 10^-34 m

• 4.
Which of the following quantum leaps would require an absorption of energy?
• A.

N=2 to n=1

• B.

N=5 to n=3

• C.

N=4 to n=3

• D.

N=5 to n=6

• 5.
Which of the following words describes the lowest part of a wave?
• A.

Crest

• B.

Trough

• C.

Amplitude

• D.

• 6.
Consider the only unpaired electron in an atom of aluminum.  What is the ml value for this electron?
• A.

3

• B.

1

• C.

0

• D.

-1

• 7.
Which element's sole unpaired electron has the quantum numbers   n = 3  l = 2  ml= -2  ms = +1/2  ?
• A.

Sc

• B.

Ga

• C.

Al

• D.

Mg

• 8.
The shape of a typical d orbital would be
• A.

Spherical

• B.

Figure-eight shaped

• C.

Four-leaf-clover shaped

• D.

Pinwheel shaped

• 9.
Hund's rule states that electrons cannot be
• A.

Placed randomly in orbitals

• B.

Paired until each orbital has an electron

• C.

Has sublevels such as 1p, 2d, etc.

• D.

In more than one location at the same time

• 10.
Which element has the electron configuration 1s22s22p63s23p64s23d104p2?
• A.

Titanium

• B.

Gallium

• C.

Tin

• D.

Germanium

• 11.
Which element has the electron configuration 1s22s22p63s23p64s23d4?
• A.

• B.

Chromium

• C.

Manganese

• D.

None of the above

• 12.
Which of the following pairs of quantum numbers would be IMPOSSIBLE?
• A.

N = 3 l = 2

• B.

N = 2 l = 2

• C.

N = 10 l = 4

• D.

More than one of the above

• 13.
What is the maximum number of orbitals in the 3d sublevel?
• A.

10

• B.

1

• C.

3

• D.

5

• 14.
How many electrons are in the 4th energy level of a zirconium atom?
• A.

2

• B.

8

• C.

10

• D.

18

• 15.
The Heisenberg uncertainty principle states that
• A.

An electron's exact location and velocity cannot be known with certainty

• B.

No two electrons in an atom can have the same set of four quantum numbers

• C.

Electrons are filled into orbitals in an ordered fashion

• D.

Only two electrons can fit in an orbital

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