Ch 25 and 5 Practice Test

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Chemistry CP Atomic Structure
Verison A
11-12
Name _____________________
Date ______________ Per ____
Part I. Multiple Choice (2 points each)
_____1. Doubling the frequency of a wave will:
a. cut energy in half
c. double the energy
b. there is no change in energy
d. there is the same amount of energy
_____2. Which part of the spectrum has the lowest frequency?
a. radio waves
c. gamma rays
b. visible
d. each part has the same frequency
_____3. Which part of the spectrum has the shortest wavelength?
a. radio waves
c. gamma rays
b. visible
d. each part has the same frequency
_____4. Which color of visible light has the highest energy?
a. indigo
c. yellow
b. red
d. violet
5. The graph above best represents the relationship between the:
a. energy and wavelength of light
b. wavelength and frequency of light
c. energy and frequency of light
d. shaving and beard length
1
Use the diagram below to answer the following questions:
_____
1s2
_____
2s2
_____ _____ _____
2p6
_____
3s2
_____ 6. What does the “2” in 2p6 represent?
a. energy level
b. sublevel
_____ _____ _____
3p1
c. orbital
d. # of electrons
_____ 7. What does the “6” in 2p6 represent?
a. energy level
c. orbital
b. sublevel
d. # of electrons
_____ 8. What do the lines represent?
a. energy levels
b. sublevels
c. orbitals
d. # of electrons
_____ 9. Which element is represented by the orbital diagram?
a. sulfur
c. aluminum
b. phosphorus
d. boron
_____ 10. The natural nuclear emission with the greatest penetrating power is
a. alpha particles
c. gamma rays
b. Beta particles
d. positron emission
_____ 11. The natural nuclear emission that will be attracted toward a positive electric field is
a. alpha particles
c. gamma rays
b. Beta particles
d. positron emission
______ 12. Which nuclear emission represents the greatest loss in mass:
a. alpha radiation
c. beta decay
b. gamma radiation
d. positron emission
2
PART II: SHORT ANSWER: 1 POINT EACH
3
2
A
C
1
B
D
Use the diagram above to answer the following questions: (circle the correct answer)
10. Which letters represent jumps that require energy to be absorbed?
A&C
11. Which number represents the ground state of an electron of hydrogen?
12. Which number represents the highest excited state?
1 2
1
2
B&D
3
3
13. On the diagram above label the wavelength.
14. On the diagram above label the amplitude.
15. On the diagram to the left, draw an arrow that points to the hottest part
of the flame.
3
16. Write the complete reaction for each nuclear process below: (2 points each)
a.
b.
d.
 (alpha decay )
 (beta decay with gamma radiation)
 (beta capture)
17. Fill in the blanks to complete the reactions below: (1 point each)
a.
b.
______ +
+

+
 ______ +
18. The half life of Ac-228 is 6.13 hours.
unreactive after 24.52 hours? (3 points)
How much of a 540g sample of Ac-228 remains
19. Determine the half-life of an isotope if a 840g sample of the isotope decays to 52.5g in 625
days. (3 points)
4
Fill in the chart below: You may use the abbreviated electron configuration and abbreviated orbital filling diagram.
Element
Electron Configuration
(2 points each)
Orbital Filling Diagram
(2 points each)
Electron Dot
Diagram
(1 pt each)
11Na
56Ba
27Co
40Zr
5
6
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