Question 1
Question
Which of the following did Democritus NOT believe about atoms?
Question 2
Question
Which scientist was the first to propose that atoms combined in specific proportions to create compounds?
Answer
-
Rutherford
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Dalton
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Thomson
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Bohr
Question 3
Question
Thomson's concept of the atom was flawed because it didn't account for isotopes.
Question 4
Question
Thomson's '[blank_start]chocolate chip cookie[blank_end]' model of the atom was conceptualized based on the results of the [blank_start]cathode ray[blank_end] experiment. The experiment proved that atoms were [blank_start]repulsed[blank_end] by the negative part of a magnetic field. Based on these observations, Thomson realized that [blank_start]electrons[blank_end] existed inside the atom.
Answer
-
chocolate chip cookie
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beehive
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cathode ray
-
gold foil
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repulsed
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attracted
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electrons
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protons
-
neutrons
-
sub-atomic particles
Question 5
Question
When the gold foil experiment was performed, 1/10,000 alpha particles were deflected.
Question 6
Question
Which restriction(s) applied to Rutherford's model of the atom?
Answer
-
Did not account for isotopes
-
If model was accurate, electrons should lose energy and collapse into themselves, causing the entire atom to collapse
-
Did not account for the behaviour of certain gasses
-
Model only works for atoms with one electron
Question 7
Question
The [blank_start]colour[blank_end] of light emitted by an atom is dependent on the [blank_start]size[blank_end] of the quantum jumps that the atom's [blank_start]electrons[blank_end] make.
Question 8
Question
Who proposed the Uncertainty Principle?
Answer
-
Heisenberg
-
Bohr
-
de Broglie
-
Schrodinger
Question 9
Question
The Uncertainty Principle states that we cannot know both the [blank_start]position[blank_end] and [blank_start]momentum[blank_end] of a particle at a given time.
Answer
-
position
-
energy
-
momentum
-
shape
Question 10
Question
What idea about the structure of an atom did Louis de Broglie propose?
Answer
-
He came up with the quantum mechanical model of the atom
-
He created equations to indicate the probable location of an atom
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He hypothesized that the dual-wave properties of light also apply to matter
-
None of the above
Question 11
Question
6.626 x 10^-34 is [blank_start]Planck[blank_end]'s constant
Question 12
Question
Why is the electron orbital diagram incorrect?
Answer
-
It violates Hund's Rule
-
It violates the Aufbau Principle
-
It violates the Pauli Exclusion Principle
-
The diagram is not incorrect
Question 13
Question
Why is the electron orbital diagram incorrect?
Answer
-
It violates the Aufbau Principle
-
It violates the Pauli Exclusion Principle
-
It violates Hund's Rule
-
The diagram is not incorrect
Question 14
Question
Why is the electron orbital diagram incorrect?
Answer
-
It violates the Aufbau Principle
-
It violates the Pauli Exclusion Principle
-
It violates Hund's Rule
-
The diagram is not incorrect
Question 15
Question
Why is the electron orbital diagram incorrect?
Answer
-
It violates the Aufbau Principle
-
It violates the Pauli Exclusion Principle
-
It violates Hund's Rule
-
The diagram is not incorrect
Question 16
Question
The l value of a 4f electron is 3.
Question 17
Question
All four quantum numbers for the 2nd electron in a 3p orbital are:
Answer
-
n = 3, l = 2, ml = 0, ms = 1/2
-
n = 3, l = 2, ml = 0, ms = -1/2
-
n = 3, l = 1, ml = 0, ms = 1/2
-
n = 3, l = 1, ml = 0, ms = -1/2
Question 18
Question
Hydrogen bonding is the strongest type of intramolecular bond
Question 19
Question
Which type of intermolecular bonding is the weakest?
Answer
-
Dipole-Dipole
-
London Forces
-
Hydrogen Bonding
-
None of the above
Question 20
Question
Wavelength and frequency are [blank_start]inversely[blank_end] related, wavelength and energy are [blank_start]inversely[blank_end] related, and energy and frequency are [blank_start]directly[blank_end] related.
Answer
-
inversely
-
directly
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not
-
inversely
-
directly
-
not
-
directly
-
inversely
-
not