Question 1
Quantum mechanics is a new theory developed within the last few years.
True
False
Skip.
Question 2
Electrons orbit the nucleus like planets orbit the sun.
True
False
Skip.
Question 3
The region of space where the electron is likely to be found changes when the electron changes energy state.
True
False
Skip.
Question 4
Using quantum mechanics we get patterns for the position of the electron that make absolutely no sense.
True
False
Skip.
Question 5
Niels Bohr said that the word "path" should not be used to describe the motion of an electron.
True
False
Skip.
Question 6
The region of space where the electron is likely to be can be determined by solving the quantum mechanical equations for the position of the electron at different times and observing where there is a clustering of the results.
True
False
Skip.
Question 7
Quantum mechanics allows us to:
Determine the exact location of the electron.
Determine regions of space where the electron is likely to be.
Determine which orbit an electron is in.
All of the above.
None of the above.
Skip.
Question 8
Quantum Mechanics:
Uses mathematical equations to calculate where an electron is likely to be.
Uses common sense to predict where the electron is likely to be.
Uses experimental data to predict where the electron is likely to be.
All of the above.
None of the above.
Skip.
Question 9
Quantum Mechanics:
Completely agrees with observations.
Mostly agrees with observations, but has some discrepancies.
Agrees with only a few observations, but is still useful theoretically.
All of the above.
None of the above.
Skip.
Question 10
The planetary model where electrons orbit the nucleus was discarded:
Less than 15 years ago.
About 45 years ago.
More than 80 years ago.
None of the above.
Skip.
Question 11
The current atomic model is probabilistic in nature and uses quantum mechanics to describe the atom.
True
False
Skip.
Question 12
The quantum theory completely rejects the idea that electrons orbit the nucleus.
True
False
Skip.
Question 13
The current theory of the atom can't say where the electron is exactly, but only gives regions of space where the electron is most likely to be.
True
False
Skip.
Question 14
One of the results of the quantum theory is that any energy that the atom gets will affect the electrons a lot more than the nucleus.
True
False
Skip.
Question 15
The current model of the atom has
Elements, neutrons, electrons
Nucleus, protons, neutrons
Protons, neutrons, electrons
Protons, nucleus, electrons
Skip.