Honors Chemistry Test Questions with Answers
What did Bohr's model do that Rutherford's model did not? - Answer-it focused on the location and energy of electrons
What is the maximum number of orbitals in the p sublevel? - Answer-3
In the electron cloud model, the electron cloud is denser i...
What did Bohr's model do that Rutherford's model did not? - Answer-it focused on the
location and energy of electrons
What is the maximum number of orbitals in the p sublevel? - Answer-3
In the electron cloud model, the electron cloud is denser in some locations than in
others. What do the denser areas represent? - Answer-regions where the probability of
finding an electron is high
What is the maximum number of electrons in the second principal energy level? -
Answer-8
The electron cloud model describes the _____ of electrons in an atom. - Answer-likely
locations
Which term describes the region in which an electron is most likely to be found? -
Answer-orbital
What is the maximum number of d orbitals in a principal energy level? - Answer-5
What is the maximum number of electrons that an atomic orbital can contain? - Answer-
2
What must be true about electrons sharing the same atomic orbital? - Answer-the must
have opposite spins
If the spin of one electron in an orbital is clockwise, what is the spin of the other electron
in that orbital? - Answer-counterclockwise
What is the basis for exceptions to the aufbau principle? - Answer-Filled and half-filled
energy sublevels are more stable than partially-filled energy levels
Stable electron configurations are likely to contain _____. - Answer-filled energy
sublevels
Which electron configuration of the 4f energy sublevel is the most stable? - Answer-
4f^14
,Which of the following electron configurations of outer sublevels is the most stable? -
Answer-4d^5 5s^1
How many unpaired electrons are in a sulfur atom? - Answer-2
What is the number of electrons in the outermost energy level of an oxygen atom? -
Answer-6
What is the next atomic orbital in the series 1s, 2s, 2p, 3s, 3p? - Answer-4s
How are the frequency and wavelength of light related? - Answer-they are inversely
proportional to each other
The atomic emission spectra of a sodium atom on Earth and of a sodium atom on the
sun would be ______. - Answer-the same
Which of the following quantum leaps would be associated with the greatest energy of
emitted light? - Answer-n=5 to n=1
What are quanta of light called? - Answer-photons
Emission of light from an atom occurs when an electron _____. - Answer-drops from a
higher to a lower energy level
Which of the following electromagnetic waves have the highest frequencies? - Answer-
gamma rays
The wavelike properties of electrons are useful in _____. - Answer-magnifying objects
What is the approximate frequency of a photon having energy 5 x 10^-24 J? (h=6.6 x
10^-34 j*s) - Answer-8 x 10^9 Hz
What is the wavelength of an electromagnetic wave that travels at 3 x 10^8 m/s and has
a frequency of 60 MHz? (1 MHz=1,000,000 Hz) - Answer-300,000,000 m/s / 60,000,000
Hz
How does the speed of visible light compare with the speed of gamma rays, when both
speeds are measured in a vacuum? - Answer-the speeds are the same
Which class of elements is most effective at conducting electricity and heat? - Answer-
metals
To what category of elements does and element belong if it is a poor conductor of
electricity? - Answer-nonmetals
,Who arranged the elements according to atomic mass and used the arrangement to
predict the properties of missing elements? - Answer-Dmitri Mendeleev
Which contains elements with similar properties in the periodic table? - Answer-a
column
What is similar for elements located next to one another anywhere on the periodic
table? - Answer-mass
What is another name for transition metals? - Answer-group B elements
What was the importance of Mendeleev's periodic table to chemists? - Answer-it
provided a pattern of repeating properties for the elements
Each period in the periodic table corresponds to ____. - Answer-a principle energy
sublevel
How did Mendeleev organize the elements to create a periodic table? - Answer-
according to increasing mass and similar properties
What is the only metal that is a liquid at room temperature? - Answer-mercury
Which describes why Mendeleev succeeded where others failed? - Answer-he realized
that some elements had not been discovered
Which of the following categories includes the majority of the elements? - Answer-
metals
Element X is a poor conductor of heat, has a low boiling point, and is a brittle solid at
room temperature. Where on the periodic table would Element X most likely be found? -
Answer-with the nonmetals
The modern periodic table is arranged in order of increasing atomic _____. - Answer-
number
Which statement describes the periodic law? - Answer-elements in the same group
have similar chemical properties
Which field of science studies the composition and structure of matter? - Answer-
chemistry
Which is the study of the processes within living organisms? - Answer-biochemistry
Which would a chemist be most likely to study? - Answer-a leaf changing color in
autumn
, What kind of chemist studies the mechanism that drives the rate of energy transfer in
chemical reactions? - Answer-a physical chemist
Which is not necessarily a way that chemistry impacts people's lives? - Answer-it helps
students get better grades
Research designed to answer a specific question or to solve a practical problem is the
goal of _____. - Answer-applied chemistry
Which statement is false? - Answer-studying chemistry ensures that officials make
correct choices when funding technology
Chemistry helps firefighters _____. - Answer-determine which chemicals to use to fight
different types of fires
Which is a system of applied science used to provide people with things they need or
desire? - Answer-technology
Which focuses on the composition of matter? - Answer-analytical chemistry
Which is a substance that could be found in air, water, or soil that is harmful to humans
or animals? - Answer-pollutant
Historically, the medical consequence suffered by consumers exposed to lead is _____.
- Answer-brain damage
Which is not among the current strategies used to prevent lead poisoning? - Answer-
labels on lead-based paint
With respect to energy, which is not necessarily a goal of chemistry? - Answer-finding
ways to use energy
Which is being developed by chemists to supplement fossil fuels? - Answer-biodiesel
What was the robotic vehicle Opportunity designed to do? - Answer-determine the
chemical composition of rocks and soil on Mars
Which is not a role of chemistry in modern agriculture? - Answer-improving machinery
What is SEAgel? - Answer-a lightweight foam insulation
Which is not an example of chemistry research in the field of energy? - Answer-
producing hook-and-loop tape
For which purpose do biochemists insert human genes into bacteria? - Answer-to
produce insulin for diabetics
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