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Extra Credit CHM1045
Chapter 9
31. Which type of electromagnetic radiation has the longest wavelength?
a. visible
b. ultraviolet
c. infrared
d. X-ray
33. List the types of electromagnetic radiation in order of increasing energy per photon?
1. radio waves
2. microwaves
3. infrared
4. ultraviolet
49. Write full electron configurations for each element
1. Sr
2. Ge
3.Li
4.Kr
52. Write full orbital diagrams and indicate the number of unpaired electrons for each element.
1. F
2. C
3. Ne
4. Be
56. Write electron configurations for each transition metal.
1. Mn
2. Ti
3. Cd
4.V
66. Use the periodic table to write electron configuration for each element.
1. Tl
2. Co
3. Ba
4. Sb
79. Arrange the elements in order of increasing ionization energy: Te, Pb, Cl, S, Sn.
85. Choose the more metallic element from each pair.
1. Sr or Sb
2. As or Bi
3. Cl or O
4. S or As
97. Identify what is wrong with each electron configuration and write the correct ground-state
(or lowest energy) configuration based on the number of electrons.
1. 1s32s32p9
2. 1s22s22p62d4
3. 1s21p5
4. 1s22s22p83s23p1
102. Based on periodic trends, which one of these elements would you expect to be most easily
reduced: Ca, Sr, P, or Cl?
Chapter 10
38. Write the Lewis structure for each ionic compound.
1. SrO
2. Li2S
3. CaI2
