Quantum Mechanics And Emission Spectrum Review Question Preview (ID: 29275)
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The s-block of the periodic table includes
a) alkali metals
b) transition metals
c) lanthanides
d) halogens
The valence electrons include
a) all of an elements electrons
b) s and p electrons
c) the lowest energy electrons
d) d orbital electrons
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
The electron configuration 1s2 2s2 2p1 refers to which ground state atom?
a) neon
b) boron
c) scandium
d) bromine
Which of the following noble gases would be used for the noble gas notation of bromine?
a) neon
b) argon
c) krypton
d) xenon
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 a photon
c) absorption of an electron
d) emission of an electron
The color of light that is the most energetic is:
a) red
b) green
c) blue
d) violet
Electromagnetic radiation wave A has a longer wavelength than electromagnetic radiation wave B. Which of the following statements is also true.
a) Wave A has a higher frequency than wave B.
b) Wave A is more energetic than wave B.
c) Wave A and B are travelling at the same speed.
d) None of the above are true.
The emission spectrum of an element is useful because:
a) it is unique to each element.
b) It shows whether electrons are in the ground or excited state
c) It releases excess energy from the element.
d) It indicates which elements will be good bonding partners.
The p-orbital holds ____ electrons.
a) 2
b) 3
c) 6
d) 10
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