Honors Unit 6
Atomic Structure
Miss Adams
Honors Chemistry 1
Name: ___________________________________
Dr. Mihelcic
Honors Chemistry 2013-14
1
Homework #1: Frequency, Wavelength and the Speed of Light
Show all of your work for the problems, including the initial formula, substitution and solution:
1. What is the wavelength in m of electromagnetic radiation having a frequency of 3.44 x 109 Hz?
Which type of radiation does this correspond with?
2. What is the frequency in Hz of electromagnetic radiation having a wavelength of 4.90 x 102 nm?
Which type of radiation does this correspond with?
3. If the frequency of a wave is 7.8 x103 kHz, what is its wavelength in m? In nm?
4. What is the frequency in Hz and MHz of a laser having a wavelength of 780 nm?
5. A radio station broadcasts at a frequency of 94.7 MHz. What is the wavelength in m?
Dr. Mihelcic
Honors Chemistry 2013-14
2
Homework #2: Frequency, Wavelength and Energy
Show all of your work for the problems, including the initial formula, substitution and solution:
1. What is the energy of a photon from the violet portion of the rainbow if it has a frequency of
7.23 x 1014 Hz?
2. What is the energy of a photon with a frequency of 6.32 x 1020 Hz?
3. What is the energy of a photon with a wavelength of 1.18 x 10-8 m?
4. If the energy of a photon of light is 3.75x10-12 J, what is the wavelength in nm of this sample of
light?
5. A radio station broadcasts at a frequency of 104.5 MHz. What is the energy of a photon of the
station’s electromagnetic signal?
Dr. Mihelcic
Honors Chemistry 2013-14
3
Homework Worksheet #3: Electron Configurations
Write the full electron configuration for each of the following elements:
1.
C _____________________________________________________
2.
Ca ____________________________________________________
3.
Ni ____________________________________________________
4.
K ____________________________________________________
5.
Se ____________________________________________________
6.
Fe ____________________________________________________
7.
Cl ____________________________________________________
8.
Ne ___________________________________________________
9.
Zr ____________________________________________________
10.
Dy ____________________________________________________________
11.
Pr ____________________________________________________________
Dr. Mihelcic
Honors Chemistry 2013-14
4
Homework Worksheet #4: Electron Configurations
Write the Noble Gas (short-hand) configuration for each of the following elements:
1.
fluorine
11.
lithium
2.
phosphorus
12.
zinc
3.
calcium
13.
carbon
4.
nitrogen
14.
iodine
5.
iron
15.
oxygen
6.
argon
16.
barium
7.
potassium
17.
lead
8.
aluminum
9.
magnesium
10.
sulfur
Dr. Mihelcic
Honors Chemistry 2013-14
5
HW #5: Electron Configurations
I. Write both the full electron configuration for each of the following elements
as well as the noble gas (abbreviated) configuration.
1. Beryllium:_____________________________ OR _______________________
2. Nitrogen : ____________________________ OR _______________________
3. Manganese : ________________________________ OR __________________
4. Tin :__________________________________________ OR ______________
5. Tungsten:________________________________________________________
OR ________________________________
II. Identify the element for each of the following electron configurations:
1. 1s22s22p6:_______________________________________________
2. 1s22s22p63s23p64s23d9:_____________________________________
3. 1s22s22p63s23p64s23d104p65s24d105p5:__________________________
4. 1s22s22p63s23p64s23d104p65s24d105p66s24f10:_____________________
III. Determine whether the following electron configurations are valid or invalid, and if
invalid, correct it.
1. 1s22s22p23s2:____________________________________________
2. 1s22s22p63s23p63d1:_______________________________________
1s22s22p63s23p64s23d104p65s24d105p6:_________________________
Dr. Mihelcic
Honors Chemistry 2013-14
6
HW #6 - Electron Configuration and Orbital Diagrams
Directions: Please fill in the electron configuration for the following elements
and then draw the orbital diagram configuration in the appropriate boxes.
Electron Configuration
F
Electron Configuration
Mg
Orbital Diagram Configuration
Orbital Diagram Configuration
Electron Configuration
B
Electron Configuration
He
Orbital Diagram Configuration
Orbital Diagram Configuration
Electron Configuration
Zn
Electron Configuration
I
Orbital Diagram Configuration
Dr. Mihelcic
Honors Chemistry 2013-14
Orbital Diagram Configuration
7
Homework Worksheet #7: Electron Configurations
Write both the full electron configuration and draw the orbital configuration for each of the following
elements:
1.
Si ____________________________________________________________
2.
Sm ___________________________________________________________
3.
Al ____________________________________________________________
4.
O_____________________________________________________________
5.
Mn____________________________________________________________
Dr. Mihelcic
Honors Chemistry 2013-14
8
Homework Worksheet #8: Electron Configurations
Write the full electron configurations for the following:
1)
lithium ________________________________________
2)
oxygen ________________________________________
3)
calcium ________________________________________
4)
titanium ________________________________________
5)
erbium ________________________________________
Draw the orbital diagrams for the following (you can use short-hand if you like with the arrows, or just
write out all of the arrows)
1)
lithium
2)
oxygen
3)
calcium
4)
titanium
5)
rubidium
6)
arsenic
Write the short-hand electron configurations for the following:
1)
selenium ________________________________________
2)
nitrogen ________________________________________
3)
chlorine ________________________________________
4)
iron ________________________________________
5)
francium ________________________________________
6)
polonium ________________________________________
Dr. Mihelcic
Honors Chemistry 2013-14
9
Electron Configuration Review (pg. 10-12)
Homework #9
PART A – FULL ELECTRON CONFIGURATION
Use the patterns within the periodic table to write spdf electron configurations for the following
atoms.
Symbol
1.
Hg
2.
P
3.
V
4.
Ge
5.
Y
6.
N
# e- Electron Configuration
Dr. Mihelcic
Honors Chemistry 2013-14
10
PART B – ORBITAL NOTATION
Use the patterns within the periodic table to write orbital notations (use arrows) for the
following atoms.
Symbol
7.
Mg
8.
P
9.
V
10.
Ge
11.
Kr
12.
N
# e- Orbital Notation
Dr. Mihelcic
Honors Chemistry 2013-14
11
PART C – SHORTHAND ELECTRON CONFIGURATION
Use the patterns within the periodic table to write the shorthand electron configurations for
the following elements.
Symbol
13.
Ca
14.
Pb
15.
F
16.
U
# e- Shorthand Electron Configuration
PART D – RULES OF ELECTRON CONFIGURATIONS
Which of the following “rules” is being violated in each electron configuration below? Explain
your answer for each. Hund’s Rule, Pauli Exclusion Principle, Aufbau Principle


 __ __
1s
2s
2p


  
___
 _ _
1s
2s
2p
3s
3p


  
1s
2s
2p


  
20. 1s
2s
2p
17.
18.
19.
   _
3s
3p
        
3s
Dr. Mihelcic
Honors Chemistry 2013-14
3p
3d
12
HW #10 - Periodic Trends Practice (pg. 13-14)
Directions: For each group, identify the element which fits the description.
Each element will only be used ONCE for a description in a group. Go down
the page in order.
Ba
Cl
Li
Zn
Xe
Largest atomic radius of all the above elements________
Has a full s and p sublevel ________
Ends its electron configuration in the d block ______
Alkali Metal _______
Smallest atomic radius of all the above elements_______
--------------------------------------------------------------------------------------------------------------------F
B
Ge
Cs
Fe
Ca
Lowest ionization energy of all the above elements_____
Transition metal element _______
Metalloid _______
Highest ionization energy of all the above elements ______
Alkaline Earth metal element ______
Electron configuration is 1s22s2 2p1 ______
--------------------------------------------------------------------------------------------------------------------O
Al
I
F
Cf
Mg
Forms a +3 ion _____
Ends its configuration in the f sublevel _____
Largest atomic radius of all the halogens above______
Smallest atomic radius of all the halogens above______
Non-metal which forms a -2 ion _____
Dr. Mihelcic
Honors Chemistry 2013-14
13
Periodic Trends Practice (cont.)
Rb
I
Te
Sr
Rank the elements above from smallest to largest atomic radius:
------------------------------------------------------------------------------------------------------------------Be Ba Ca
Sr Mg
Rank the elements above from smallest to largest ionization energy:
-------------------------------------------------------------------------------------------------------------------C Sr Mg
Cs
Be
Rank the elements above from least to most electronegative:
-------------------------------------------------------------------------------------------------------------------B
In
F
N
Rank the elements above from lowest to highest electron affinity:
--------------------------------------------------------------------------------------------------------------------
What are the names for the following groups or areas on the periodic table?
Group 1 = ___________________________________
Group 2 = ___________________________________
Groups 3-12 = ___________________________________
Group 17 = ___________________________________
Group 18 = ___________________________________
Dr. Mihelcic
Honors Chemistry 2013-14
14