What is the primary purpose of Photoelectron Spectroscopy (PES)?

Photoelectron Spectroscopy Insights for AP Chemistry

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Chemistry
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6th - 10th Grade
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Medium

Liam Anderson
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To observe the color spectrum of elements
To measure the boiling point of substances
To identify the core electrons in an atom
To determine the molecular weight of compounds
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In PES, what causes electrons to be ejected from the atom?
Shaking the atom vigorously
Applying a strong magnetic field
Bombarding the atom with x-rays or ultraviolet light
Heating the atom to a high temperature
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a peak in a PES graph represent?
The binding energy of the electron
The color of the electron
The smell of the electron
The velocity of the electron
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term 'binding energy' refer to in a PES graph?
The energy required to change the color of an electron
The energy released when an electron is added to an atom
The energy needed to remove an electron from an atom
The energy required to break chemical bonds
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does helium show a higher peak than hydrogen in a PES graph?
Because helium electrons are faster
Because helium is a noble gas
Because helium has more protons, resulting in a higher nuclear charge
Because helium has a higher molecular weight
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the height of a peak in a PES graph indicate?
The color intensity of the element
The smell intensity of the element
The temperature of the element
The relative number of electrons at that energy level
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the electron configuration of lithium appear in a PES graph?
1s2 2s2
1s2 2s1
1s2 2p1
2s2 2p1
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