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WorksheetsNuclear Chemistry review
Total questions: 15
Worksheet time: 8mins
Which radioactive emissions are listed in order from greatest penetrating power to least penetrating power?
gamma radiation, alpha particle, beta particle
beta particle, gamma radiation, alpha particle
alpha particle, beta particle, gamma radiation
gamma radiation, beta particle, alpha particle
Which statement describes a benefit of fission?
Fission increases the possibility of nuclear accidents
Fission increases the possibility of biological exposure.
Fission produces waste products that need long-term storage.
Fission produces nuclear power.
Which emission will be released from an unstable Fe-53 nucleus? (hint : 0 mass , +1 charge)
an alpha particle
a positron
a beta particle
a proton
Which radiation has the least ionizing power and greatest penetrating power?
beta particles
gamma emissions
positron emissions
alpha particles
Which radioisotope requires long-term storage to prevent the risk of biological exposure?
Au-198
Pu-239
N-16
K-42
Which statement describes a benefit of the nuclear reaction that occurs in a nuclear power plant?
A) A large amount of energy is produced from a small amount of a radioisotope.
B) Large amounts of water are needed to cool the nuclear reactor.
C) Radioactive isotopes are stored for a very long time at the power plant site.
D) The power plant reaction can be used in dating geologic formations.
What is a potential risk associated with radioactive isotopes?
tracing chemical processes
industrial measurements
biological exposure
curing of diseases
What fraction of an original sample of 131I remains unchanged after 24.063 days? Half-life is 8.021 days
1/2
1/4
1/8
1/3
What is one benefit of a nuclear fission reaction?
Fission products must be stored indefinitely
Workers in nuclear power plants can be exposed to radiation from fission reactions.
Electrical energy can be produced using fission reactions.
Fission reactants are hydrogen isotopes.
Which net change occurs in both nuclear fission and nuclear fusion reactions?
Energy is converted to mass.
Small nuclei form a larger nucleus.
A large nucleus forms smaller nuclei.
Mass is converted to energy
Determining the age of a wooden beam from a sunken ship is an example of a beneficial use of
radioactive nuclides
homogeneous mixture
polyatomic ions
Lewis structures
A change that converts an atom of one element to another element is called
oxidation
transmutation
neutralization
sublimation
Which symbol represents a nuclear emission with the greatest mass and the greatest ionizing power?
β−
α
β+
γ
Which statement compares the relative amounts of energy released during a chemical reaction and a nuclear reaction when both reactions consume 1.0 mole of reactant?
The nuclear reaction releases one half the amount of energy of the chemical reaction.
The chemical reaction releases much more energy than the nuclear reaction.
The chemical and nuclear reactions release equal amounts of energy.
The nuclear reaction releases much more energy than the chemical reaction.
Based on Table N, which particle is emitted by the radioactive decay of francium-220?
a neutron
an alpha particle
a beta particle
a positron
