4.2 Quantum Theory of an Atom

Quiz
•
Chemistry
•
10th Grade
•
Hard
+3
Standards-aligned
Greer Yacavone
FREE Resource
57 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The definition of 'ground state' is:
The highest energy state of an atom or molecule
The lowest energy state of an atom or molecule
A state of matter at high temperature
A state of matter at low pressure
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 'quantum number' is:
a unique identifier for an electron in an atom
a type of subatomic particle
a measure of atomic mass
a unit of energy
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The 'de Broglie equation' is used to explain the wave-particle duality of matter. Which of the following is the correct expression for the de Broglie wavelength?
λ = h/p
λ = p/h
λ = h + p
λ = h - p
Tags
NGSS.HS-PS4-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The 'Heisenberg uncertainty principle' states that:
the position and momentum of a particle cannot both be precisely determined at the same time.
energy and time are unrelated in quantum mechanics.
particles can exist in two places at once.
the speed of light is constant in all inertial frames.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The quantum mechanical model of the atom is based on which of the following principles?
Uncertainty Principle
Bohr's Model
Classical Mechanics
Newton's Laws
Tags
NGSS.HS-PS4-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An atomic orbital is:
a region of space where there is a high probability of finding an electron.
a fixed path around the nucleus where electrons revolve.
a positively charged particle in the nucleus.
a type of chemical bond.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The principle quantum number is:
a measure of the size of an orbital
a measure of the energy of an electron
a measure of the shape of an orbital
a measure of the spin of an electron
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