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