Download Which scientist developed the quantum mechanical model of the

Which scientist developed the
quantum mechanical model of the
atom?
A.) Bohr
B.) Rutherford
C.) Schrodinger
D.) Heisenberg
Draw a wave that shows low energy and
gradually changes to high energy.
Label the following on your wave:
Crest
Trough
Amplitude
Wavelength
Which of the following orbitals
has the lowest energy?
A)
B)
C)
D)
4p
4s
3d
4f
2
2n
The formula
represents
_________.
A)
B)
C)
D)
The number of sublevels in any
energy level
The maximum number of electrons
that can occupy an energy level
The number of orbitals
None of the above
What type of atomic orbitals
are in the third energy level?
A)
B)
C)
D)
p and d only
s, p, d, and f
s and p only
s, p, and d only
The quantum mechanical
model of the atom_______.
A)
B)
C)
D)
Was proposed by Hund
Defines the exact path of an electron
Is concerned with the probability of
finding an electron in a certain
position
Was proposed by Bohr
What is the maximum number of d
orbitals in a principal energy level?
A)
B)
C)
D)
5
10
7
2
Write the complete electron
configuration for titanium.
The principal quantum number
indicates what property of an
electron?
A)
B)
C)
D)
Speed
Orbital shape
Spin
Energy level
Which one of the following
electron configurations is most
stable?
A)
B)
C)
D)
5s1
5s3
5s2
5s4
4d5
4d3
4d4
4d2
What color of visible light has
the shortest wavelength?
A)
B)
C)
D)
Blue
Green
Yellow
Orange
Draw the orbital diagram for
silicon.
What are quanta of light
called?
A)
B)
C)
D)
Charms
Excitons
Photons
Orbitals
The atomic emission spectra of a sodium
atom on earth and of a sodium atom in the
sun would be _______.
A)
B)
C)
D)
The same
The same as each other only in UV
range
The same as those of several other
elements
Different from each other
A wave has wavelength=
2
5.80 x 10 nm

Convert this wavelength to centimeters.
The lowest energy state of an
atom is called the ______.
A)
B)
C)
D)
Excited state
Dependent state
Independent state
Ground state
What is the approximate energy of
a photon having a frequency of
4.0 x 107 Hz ?
What is the approximate
frequency of a photon having an
energy of 5.25 x 10-24 J ?
What is the difference
between a 2s and a 3s orbital?
A)
B)
C)
There is no difference
More electrons can occupy a 3s
The 3s is larger in volume and a
greater distance from the nucleus
than a 2s
Write Noble gas configurations for
the following elements:
A)
B)
C)
D)
Nb (41)
At (85)
Ag (47)
Cm (96)
ANSWERS
A)
B)
C)
D)
Nb (41)
At (85)
Ag (47)
Cm (96)
[Kr] 5s2 4d3
[Xe] 6s2 4f14 5d10 6p5
[Kr] 5s1 4d10
[Rn] 7s2 5f8
What is the probability of finding
an electron within the region of
the electron cloud?
A)
B)
C)
D)
50%
75%
90%
100%
What is the next atomic orbital in
the series 1s, 2s, 2p, 3s, 3p, 4s?
A)
B)
C)
D)
2d
2f
3d
4s
What is the correct number of
electrons in the outermost energy
level of an oxygen atom?
A)
B)
C)
D)
2
4
6
8
Which of the following states that
no more than two electrons can
occupy an atomic orbital and that
two electrons in the same orbital
must have opposite spins?
A)
B)
C)
D)
Hund’s rule
Pauli exclusion principle
Dalton’s theory
Aufbau principle
Which electron configuration of
the 4f energy sublevel is the
most stable?
A)
B)
C)
D)
4f6
4f7
4f13
4f14
A wave has wavelength=
-7
5.80 x 10 m

Convert this wavelength to nanometers.
Which of the following
electromagnetic waves have the
highest frequencies?
A)
B)
C)
D)
ultraviolet light waves
X-rays
Microwaves
Gamma rays
How do the energy differences
between the higher energy levels
of an atom compare with the
energy differences between the
lower energy levels of the atom?
A)
B)
C)
They are greater in magnitude.
They are smaller in magnitude.
There is no significant difference in
the magnitudes of these differences.
Things to know……..
1.
2.
3.
4.
Principles of electron configurations
Explanation for discrete lines in atomic
emission spectra
You will be given c and h as well as a
periodic table.
Hydrogen’s spectrum and series of
lines
Suggested Book Problems

Pg. 149
22,25,27,29,30,31,33,35,37,39,40,41,
44,49,50,55,58,59,61,63,65,68