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Quantum Mechanics And Emission Spectrum Review
Test Description: Review of Reassessment
Instructions: Answer all questions to get your test result.
1) The s-block of the periodic table includes
A
halogens
B
alkali metals
C
transition metals
D
lanthanides
2) The valence electrons include
A
the lowest energy electrons
B
s and p electrons
C
d orbital electrons
D
all of an elements electrons
3) Which of the following states that electrons will not pair up if there is an empty orbital of the same energy?
A
Pauli Exclusion Principle
B
Heisenberg Uncertainty
C
Aufbau Principle
D
Hund's Rule
4) The electron configuration 1s2 2s2 2p1 refers to which ground state atom?
A
bromine
B
boron
C
scandium
D
neon
5) Which of the following noble gases would be used for the noble gas notation of bromine?
A
krypton
B
xenon
C
argon
D
neon
6) What happens to cause an electron in it's ground state to move to a higher energy level?
A
absorption of a photon
B
emission of an electron
C
absorption of an electron
D
emission of a photon
7) The color of light that is the most energetic is:
A
blue
B
red
C
green
D
violet
8) Electromagnetic radiation wave A has a longer wavelength than electromagnetic radiation wave B. Which of the following statements is also true.
A
Wave A is more energetic than wave B.
B
Wave A and B are travelling at the same speed.
C
Wave A has a higher frequency than wave B.
D
None of the above are true.
9) The emission spectrum of an element is useful because:
A
It shows whether electrons are in the ground or excited state
B
it is unique to each element.
C
It indicates which elements will be good bonding partners.
D
It releases excess energy from the element.
10) The p-orbital holds ____ electrons.
A
6
B
10
C
3
D
2
*select an answer for all questions
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