Chemistry Pes

Quiz
•
Chemistry
•
10th - 12th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Refer to the photoelectron spectrum of neon shown below to answer the question.
Peaks A, B, and C represent the binding energies of electrons in which subshells of neon?
1s, 2s, 2p
2p, 2s, 1s
1s, 1s, 1s
2s, 2p, 2p
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Refer to the photoelectron spectrum of neon shown below to answer the question.
Which of the following statements best accounts for peak A being to the left of peaks B and C?
The electron configuration of neon is 1s2 2s2 2p6.
Neon has 8 electrons located in its valence shell.
Core electrons of an atom experience a much higher effective nuclear charge than valence electrons
Peaks B and C show first ionisation energies in neon, whereas peak A shows the second ionisation energy of neon
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Refer to the photoelectron spectrum of neon shown below to answer the question.
Which of the following statements best accounts for peak C being three time the height of peak B?
The intensity of the photoelectron signal at a given energy is a measure of the number of electrons in that energy level.
Electrons represented by peak B have approximately triple the binding energy than those represented by peak C
In a photoelectron spectrum, as binding energy increases the relative number of electrons decreases.
The height of peaks in a photoelectron spectrum does not have any relation to the structure of the atom
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Nitrogen shows 3 peaks in its photoelectron spectrum. These 3 peaks correspond to the binding energies of nitrogen's 1s, 2s, and 2p electrons. The relative heights of the 1s, 2s, and 2p peaks in the PES spectrum of nitrogen will be:
1, 1, 1
2, 2, 3
1, 1, 2
2, 2, 5
5.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
If the binding energy of an electron is between 0 - 10 eV, it can be assumed that the electron originated in:
an s orbital
a p orbital
a core electron
a valence orbital
6.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Using the data in the two PES, what do you expect the binding energy of the 1s electrons in oxygen (atomic number 8) to be?
0 - 50 eV
50 - 400 eV
400 - 700 eV
700 - 1000 eV
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
What is the identity of element Z?
Boron
Carbon
Neon
Magnesium
Tags
NGSS.HS-PS1-1
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