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Topic 3 - The Atomic Structure
19. Electron transition: Relating electron transition to energy and spectral lines
1. Which electron transition represents a gain of energy by the electron?
rd
st
th
nd
1) From 3 to 2 shell 3) From 4 to 1 shell
nd
st
st
rd
2) From 3 to 1 shell 4)From 1 to 2 shell
2. An electron in the atom of lithium can move from one level to another. The transition between
which two levels will result in the emission of energy by the electron ?
rd
nd
nd
rd
1) 3 to 2 level
3) 2 to 3 level
st
st
rd
nd
2) 1 to 3 level 4) 1 to 2 level
3. Which electron transition will result in the greatest amount of energy released by the electron?
rd
st
1) 1 to 2 3) 1 to 3
nd
st
st
rd
nd
rd
2) 3 to 2 4) 3 to 1
Teacher Preview Copy
Teacher Preview Copy
4. The highest amount of energy will be emitted by an electron when it moves from
st
th
st
th
1) 4 to 1 electron shell 3) 1 to 5 electron shell
th
th
th
st
2) 1 to 4 electron shell 4) 5 to 4 electron shell
5. Which energy level change by an electron of hydrogen atom will cause the greatest amount of
energy to be absorbed? 3) Second to fifth level
1) Second to fourth level
2) Fourth to second level 4) Fifth to second level
6. An electron in an atom of neon will gain the most energy when moving from
th
nd
rd
nd
1) 2 to 3 level 3) 2 to 4 level
th
nd
nd
rd
2) 3 to 2 level 4) 4 to 2 level
7. Which electron transition will produce spectral lines? nd rd
nd
st
1) From 2 to 1 shell 3) From 2 to 3 shell
th
th
rd
rd
4) From 3 to 4 shell
2) From 3 to 5 shell
8. Electron transition between which shells in an atom of magnesium will cause the emission of bright
line spectra by the atom?
th
rd
th
rd
1) 4 to 3 3) 3 to 4
nd
rd
st
rd
2) 1 to 3 4) 2 to 3
9. An atom of oxygen is in the excited state. When an electron in this atom moves from third to
second shell, energy is
1) Emitted by the nucleus 3) Emitted by the electron
2) Absorbed by the nucleus
4) Absorbed by the electron
10. An electron in the fourth electron shell of an atom moves to the second electron shell. Which
statement is true of the electron?
1) The electron gains energy and produces spectral lines
2) The electron gains energy and produces an alpha particle
3) The electron emits energy and produces spectral lines
4) The electron emits energy and produces an alpha particle
11. How do the energy and the most probable location of an electron in the third shell of an atom
compares to the energy and the most probable location of an electron in the first shell of the same
atom.
1) In the third shell, an electron has more energy and is closer to the nucleus
2) In the third shell, an electron has more energy and is farther from the nucleus
3) In the third shell, an electron has less energy and is closer to the nucleus
4) In the third shell, an electron has less energy and is farther from the nucleus
Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 177
Topic 3 - The Atomic Structure
19. Electron transition: Relating electron transition to energy and spectral lines
1. Which electron transition represents a gain of energy by the electron?
rd
st
th
nd
1) From 3 to 2 shell 3) From 4 to 1 shell
nd
st
st
rd
2) From 3 to 1 shell 4)From 1 to 2 shell
2. An electron in the atom of lithium can move from one level to another. The transition between
which two levels will result in the emission of energy by the electron ?
rd
nd
nd
rd
1) 3 to 2 level
3) 2 to 3 level
st
st
rd
nd
2) 1 to 3 level 4) 1 to 2 level
3. Which electron transition will result in the greatest amount of energy released by the electron?
rd
st
1) 1 to 2 3) 1 to 3
nd
st
st
rd
nd
rd
2) 3 to 2 4) 3 to 1
Teacher Preview Copy
Teacher Preview Copy
4. The highest amount of energy will be emitted by an electron when it moves from
st
th
st
th
1) 4 to 1 electron shell 3) 1 to 5 electron shell
th
th
th
st
2) 1 to 4 electron shell 4) 5 to 4 electron shell
5. Which energy level change by an electron of hydrogen atom will cause the greatest amount of
energy to be absorbed? 3) Second to fifth level
1) Second to fourth level
2) Fourth to second level 4) Fifth to second level
6. An electron in an atom of neon will gain the most energy when moving from
th
nd
rd
nd
1) 2 to 3 level 3) 2 to 4 level
th
nd
nd
rd
2) 3 to 2 level 4) 4 to 2 level
7. Which electron transition will produce spectral lines? nd rd
nd
st
1) From 2 to 1 shell 3) From 2 to 3 shell
th
th
rd
rd
4) From 3 to 4 shell
2) From 3 to 5 shell
8. Electron transition between which shells in an atom of magnesium will cause the emission of bright
line spectra by the atom?
th
rd
th
rd
1) 4 to 3 3) 3 to 4
nd
rd
st
rd
2) 1 to 3 4) 2 to 3
9. An atom of oxygen is in the excited state. When an electron in this atom moves from third to
second shell, energy is
1) Emitted by the nucleus 3) Emitted by the electron
2) Absorbed by the nucleus
4) Absorbed by the electron
10. An electron in the fourth electron shell of an atom moves to the second electron shell. Which
statement is true of the electron?
1) The electron gains energy and produces spectral lines
2) The electron gains energy and produces an alpha particle
3) The electron emits energy and produces spectral lines
4) The electron emits energy and produces an alpha particle
11. How do the energy and the most probable location of an electron in the third shell of an atom
compares to the energy and the most probable location of an electron in the first shell of the same
atom.
1) In the third shell, an electron has more energy and is closer to the nucleus
2) In the third shell, an electron has more energy and is farther from the nucleus
3) In the third shell, an electron has less energy and is closer to the nucleus
4) In the third shell, an electron has less energy and is farther from the nucleus
Copyright©2010 E3 Scholastic Publishing. All Rights Reserved. SurvivingChem.com 177
