
Quantum Theory and the Atom Quiz
Authored by Jonathan Husain
Science
9th Grade
NGSS covered

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Niels Bohr propose in 1913 regarding the hydrogen atom?
Electrons can occupy multiple orbitals simultaneously
Electrons have a fixed position within the nucleus
Electrons behave like particles flying through space
Electrons move around the nucleus in certain allowed circular orbits
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who hypothesized that particles, including electrons, could have wavelike behaviors?
Erwin Schrödinger
Niels Bohr
Louis de Broglie
Werner Heisenberg
Tags
NGSS.HS-PS4-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Heisenberg uncertainty principle state?
Particles behave like waves in a model
It is impossible to know precisely both the velocity and position of a particle at the same time
Particles have fixed positions within the nucleus
Particles can occupy multiple orbitals simultaneously
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the lowest-energy orbital in the quantum-mechanical model of the atom?
1s orbital
4f orbital
2p orbital
3d orbital
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which quantum number indicates the energy level of an atomic orbital?
Azimuthal quantum number (ℓ)
Principal quantum number (n)
Magnetic quantum number (mℓ)
Spin quantum number
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the set of quantum numbers for an electron in a 2p orbital?
n=2, ℓ=1, mℓ=0, ms=+1/2
n=2, ℓ=0, mℓ=0, ms=-1/2
n=2, ℓ=2, mℓ=0, ms=+1/2
n=2, ℓ=1, mℓ=1, ms=-1/2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the electron configuration of Lithium?
1s² 2s² 2p³
1s² 2s² 2p¹
1s¹ 2s²
1s² 2s¹
Tags
NGSS.HS-PS1-1
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