PS Ch 10 Nuclear Changes Question Preview (ID: 5786)
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radioactive tracers are short lived
a) drugs
b) isotopes
c) tumors
d) rays
the use of nuclear reactors to generate electricity is
a) decreasing rapidly
b) found only in the USA
c) found in dozens of coutries
d) totally safe
negatively charged, ejected from the nucleus at high speed
a) alpha particle
b) beta particle
c) gamma ray
d) neutron emission
high energy, with no mass or charge
a) alpha particle
b) beta particle
c) gamma ray
d) neutron emission
positively charged, composed of protons and neutrons
a) alpha particle
b) beta particle
c) gamma ray
d) neutron emission
non ionizing, with mass but no charge
a) alpha particle
b) beta particle
c) gamma ray
d) neutron emission
the process by which the sun produces energy
a) critical mass
b) fusion
c) mass defect
d) fission
the minimum amount of a substance that can sustain a fission reaction
a) critical mass
b) fusion
c) mass defect
d) fission
the splitting of a large nucleus into smaller nuclei, releasing neutrons and energy
a) critical mass
b) fusion
c) mass defect
d) fission
the small amount of mass that is converted to energy when nuclei form
a) critical mass
b) fusion
c) mass defect
d) fission
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