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Duplicate of Quantum Theory Review
Duplicate of Quantum Theory Review
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Review MC questions for basic quantum theory designed for a college prep Chem I class.
Flashcards
20 cards
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Questions
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Answers
1
Which of the following is correct?
Wavelength is inversely proportional to frequency.
Wavelength equals frequency.
Wavelength is directly proportional to energy.
Wavelength equals energy.
2
How many unpaired electrons does an atom of phosphorus have?
1
2
3
6
3
French scientist Louis de Broglie believed
Bohr's model was completely correct.
electrons had a dual wave-particle nature.
light waves don't act like waves.
the nature of light and electrons were not similar.
4
If electrons are in the lowest possible energy state, the atom is in the
ground state.
nonreactive state.
radiation emitting state.
excited state.
5
What atomic sublevel is next in energy following 4p?
5p
4d
4f
5s
6
The longest type of waves found on the electromagnetic spectrum is
radio waves.
UV waves.
gamma rays.
X-rays.
7
For electrons to change from a 'ground' state to 'excited' state
radiation must be emitted.
energy must be released.
the electron must stop moving.
energy must be absorbed.
8
Visible light, x-rays, and radio waves all have the same
frequency.
speed.
energy.
wavelength.
9
Another name for an electron cloud is
spectral emission.
orbital.
orbit.
color.
10
Which color in the visible light spectrum has the lowest frequency?
violet
green
blue
red
11
How many characteristics did Schrodinger's equation provide to explain state of an electron?
4
2
3
1
12
What element matches the electron configuration of: 1s
2
2s
2
2p
6
3s
2
3p
2
?
C
S
Mg
Si
13
The set of dumbbell-shaped orbitals are called
f orbitals
d orbitals
s orbitals
p orbitals
14
If radiation A has a lower frequency than radiation B, then the wavelength of A is
longer.
equal.
exactly half of B.
shorter.
15
What is the maximum number of electrons that can occupy a single orbital?
1
2
10
6
16
The 3-dimensional region outside the nucleus where electrons are most probably found is
quantum.
electron configuration.
s sublevel.
electron cloud.
17
The letter of sublevels with maximum number of electrons in each are
s:1, p:3, d:5, f:7
s:1, p:3, d:10, f:14
s:2, p:6, d:10, f:14
s:1, p:2, d:3, f:4
18
How many orientations does the s orbital have about the nucleus?
1
5
3
2
19
Arrows that point in opposite directions in orbital diagrams represent an electron's
speed.
spin.
energy level.
charge.
20
The statement that electrons occupy the lowest available energy orbital first is
Bohr's Law.
Hund's Rule.
the Aufbau Principle.
the Pauli Exclusion Principle.
